What is claimed is:
1. A data read apparatus for reading data from memory of which location to be accessed is specified by a row address and a column address on the basis of a designated address, said apparatus comprising:
reading means for reading a predetermined number of data by changing the column address while fixing the row address, starting from a designated start address of the memory;
detection means for detecting that a location to be read has a change in row address; and
storage means for storing data read by said reading means until either change in row address is detected by said detection means or a number of stored data reaches the predetermined number,
wherein, in a case where the change in row address is detected by said detection means, an address whose row address is changed is used as the start address, and reading of data by said reading means and storing of the read data to said storage means are repeated.
2. The data read apparatus according to claim 1, wherein, in a case where the change in row address is detected by said detection means or a case where it is determined that the number of stored data in said storage means reaches the predetermined number, data read by said reading means after the detection or the determination is discarded until the number of read data reaches the predetermined number.
3. The data read apparatus according to claim 1 further comprising termination means for terminating the reading of data by said reading means when the predetermined number of data are stored in said storage means,
wherein said reading means stops reading when the predetermined number of data is read out or when the reading of data is terminated by said termination means.
4. The data read apparatus according to claim 1, wherein said reading means reads data from the memory without changing the row address and the column address in a case where the change in row address is detected by said detection means.
5. A data read method for reading data from memory of which location to be accessed is specified by a row address and a column address on the basis of a designated address, said method comprising:
a reading step of reading a predetermined number of data by changing the column address while fixing the row address, starting from a designated start address of the memory;
a storing step of storing the read data;
a discarding step of determining that the number of stored data reaches the predetermined number and discarding data read after the determination; and
a step of detecting a change in row address of a location to be read and, if the change is detected, changing the row address and repeating from said reading step.
6. The data read method according to claim 5 further comprising a termination control step of terminating the reading of data by reading means when the predetermined number of data are stored in said storing step,
wherein the reading of data in said reading step is stopped when the predetermined number of data is read out or when the reading of data is terminated in said termination control step.
7. The data read method according to claim 5, wherein, in said reading step, data is read from the memory without changing the row address and the column address in a case where the change in row address is detected.
8. A printing apparatus characterized by reading print data from memory in the data read method according to claim 5 and printing the read print data on a printing medium.
9. A printing apparatus comprising the data read apparatus according to claim 1, wherein the printing apparatus reads print data from memory using the data read apparatus, and outputs the read print data on a printing medium.
10. A data read apparatus for reading data from memory of which location to be accessed is specified by a row address and a column address on the basis of a designated address, said apparatus comprising:
reading circuit reading a predetermined number of data by changing the column address while fixing the row address, starting from a designated start address of the memory;
detection circuit detecting that a location to be read has a change in row address; and
data set circuit storing data read by said reading circuit until either change in row address is detected by said detection circuit or a number of stored data reaches the predetermined number,
wherein, in a case where the change in row address is detected by said detection circuit, an address whose row address is changed is used as the start address, and reading of data by said reading circuit and storing of the read data to said data set circuit are repeated.
11. The data read apparatus according to claim 10, wherein, in a case where the change in row address is detected by said detection circuit or a case where it is determined that the number of stored data in said data set circuit reaches the predetermined number, data read by said reading circuit after the detection or the determination is discarded until the number of read data reaches the predetermined number.
12. The data read apparatus according to claim 10 further comprising termination circuit for terminating the reading of data by said reading circuit when the predetermined number of data are stored in said data set circuit,
wherein said reading circuit stops reading when the predetermined number of data is read out or when the reading of data is terminated by said termination circuit.
13. The data read apparatus according to claim 10, wherein said reading circuit reads data from the memory without changing the row address and the column address in a case where the change in row address is detected by said detection circuit.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An adjustable floating plate lumbar support for seats, said adjustable floating plate lumbar support comprising:
a lower support plate for providing support to a lumbar region of a seat, said lower support plate having a front surface and a rear surface;
a lower plate support linkage for supporting said lower support plate, wherein said lower plate support linkage is adapted for engaging a seat frame, said lower plate support linkage having an effective length, said lower plate support linkage supporting said lower support plate in a pivotal manner;
an upper support plate for providing support to a lumbar region of a seat and for providing adjustment of a vertical dimension of said support to said lumbar region, said upper support plate having a front surface and a rear surface, said upper support plate having a lower edge hingedly connected to said lower support plate;
an upper plate support linkage for supporting said upper support plate, wherein said upper plate support linkage is adapted for engaging a seat frame, said upper plate support linkage having an effective length, said upper plate support linkage supporting said upper support plate in a pivotal manner;
a first actuator mechanism for adjusting said effective length of said lower plate support linkage, whereby an amount of lumbar support provided by said lower support plate is increased as said effective length of said support linkage is decreased; and
a second actuator mechanism for adjusting said effective length of said upper plate support linkage, whereby an amount of lumbar support provided by said upper support plate is increased as said effective length of said upper plate support linkage is decreased;
whereby selective actuation said first and said second actuator mechanisms provides adjustment of a vertical dimension of said adjustable floating plate lumbar support.
2. The adjustable floating plate lumbar support of claim 1 wherein said lower and said upper support plates have a curved front surface.
3. The adjustable floating plate lumbar support of claim 1 wherein said upper support plate and said lower support plate are integral.
4. The adjustable floating plate lumbar support of claim 1 wherein said first and said second actuator mechanisms are manually activated.
5. The adjustable floating plate lumbar support of claim 1 wherein said first and said second actuator mechanisms are electrically powered.
6. The adjustable floating plate lumbar support of claim 5 wherein said first and said second actuator mechanisms apply rotating motion respectively to a first and a second shaft, each said shaft having first and second ends wherein said first and second ends are oppositely threaded.
7. The adjustable floating plate lumbar support of claim 1 wherein said lower and said upper support plates are constructed of a substantially rigid material such that said lower and said upper support plates do not flex when loaded by an occupant.
8. The adjustable floating plate lumbar support for seats of claim 1 wherein said lower plate support linkage is defined by first and second securement members engaged with first and second linkage members respectively, wherein said first and second securement members are adapted to further engage a seat frame and further wherein said first and second linkage members include threaded fasteners, wherein said first actuator mechanism is a powered mechanism for providing rotary motion to a shaft having first and second ends, said first and second ends of said shaft being oppositely threaded and said threaded fastener of said first linkage member being threadably engaged with said first end of said shaft and said threaded fastener of said second linkage member being threadably engaged with said second end of said shaft such that rotation of said shaft in a first direction draws said first and second linkage members inward thereby shortening said effective length of said lower plate support linkage, and rotation of said shaft in a second direction moves said first and second linkage members outward thereby increasing said effective length of said lower plate support linkage.
9. The adjustable floating plate lumbar support for seats of claim 8 wherein at least one of said first and said second securement members is defined by a spring.
10. The adjustable floating plate lumbar support for seats of claim 1 wherein said upper plate support linkage is defined by first and second securement members engaged with first and second linkage members respectively, wherein said first and second securement members are adapted to further engage a seat frame and further wherein said first and second linkage members include threaded fasteners, wherein said second actuator mechanism is a powered mechanism for providing rotary motion to a shaft having first and second ends, said first and second ends of said shaft being oppositely threaded and said threaded fastener of said first linkage member being threadably engaged with said first end of said shaft and said threaded fastener of said second linkage member being threadably engaged with said second end of said shaft such that rotation of said shaft in a first direction draws said first and second linkage members inward thereby shortening said effective length of said upper plate support linkage, and rotation of said shaft in a second direction moves said first and second linkage members outward thereby increasing said effective length of said upper plate support linkage.
11. The adjustable floating plate lumbar support for seats of claim 10 wherein at least one of said first and said second securement members is defined by a spring.
12. The adjustable floating plate lumbar support for seats of claim 8 wherein said upper plate support linkage is defined by first and second securement members engaged with first and second linkage members respectively, wherein said first and second securement members are adapted to further engage a seat frame and further wherein said first and second linkage members include threaded fasteners, wherein said second actuator mechanism is a powered mechanism for providing rotary motion to a shaft having first and second ends, said first and second ends of said shaft being oppositely threaded and said threaded fastener of said first linkage member being threadably engaged with said first end of said shaft and said threaded fastener of said second linkage member being threadably engaged with said second end of said shaft such that rotation of said shaft in a first direction draws said first and second linkage members inward thereby shortening said effective length of said upper plate support linkage, and rotation of said shaft in a second direction moves said first and second linkage members outward thereby increasing said effective length of said upper plate support linkage.
13. The adjustable floating plate lumbar support of claim 1 wherein said upper support plate is hingedly connected to said lower support plate proximate a pivot line defined by said lower plate support linkage.
14. An adjustable floating plate lumbar support for seats, said adjustable floating plate lumbar support comprising:
a lower support plate for providing support to a lumbar region of a seat, said lower support plate having a front surface and a rear surface;
a lower plate support linkage for supporting said lower support plate, wherein said lower plate support linkage is adapted for engaging a seat frame, said lower plate support linkage having an effective length and including at least one spring member disposed between said lower support plate and the seat frame, said lower plate support linkage supporting said lower support plate in a pivotal manner, wherein said lower plate support linkage is defined by first and second securement members engaged with first and second linkage members respectively, wherein said first and second securement members are adapted to further engage a seat frame and further wherein said first and second linkage members include threaded fasteners;
an upper support plate for providing support to a lumbar region of a seat and for providing adjustment of a vertical dimension of said support to said lumbar region, said upper support plate having a front surface and a rear surface, said upper support plate having a lower edge hingedly connected to said lower support plate;
an upper plate support linkage for supporting said upper support plate, wherein said upper plate support linkage is adapted for engaging a seat frame, said upper plate support linkage having an effective length and including at least one spring member disposed between said upper support plate and the seat frame, said upper plate support linkage supporting said upper support plate in a pivotal manner;
a first actuator mechanism for adjusting said effective length of said lower plate support linkage, whereby an amount of lumbar support provided by said lower support plate is increased as said effective length of said support linkage is decreased, wherein said first actuator mechanism is a powered mechanism for providing rotary motion to a shaft having first and second ends, said first and second ends of said shaft being oppositely threaded and said threaded fastener of said first linkage member being threadably engaged with said first end of said shaft and said threaded fastener of said second linkage member being threadably engaged with said second end of said shaft such that rotation of said shaft in a first direction draws said first and second linkage members inward thereby shortening said effective length of said lower plate support linkage, and rotation of said shaft in a second direction moves said first and second linkage members outward thereby increasing said effective length of said lower plate support linkage; and
a second actuator mechanism for adjusting said effective length of said upper plate support linkage, whereby an amount of lumbar support provided by said upper support plate is increased as said effective length of said upper plate support linkage is decreased;
whereby selective actuation said first and said second actuator mechanisms provides adjustment of a vertical dimension of said adjustable floating plate lumbar support.
15. The adjustable floating plate lumbar support of claim 14 wherein said lower and said upper floating support plates have a curved front surface.
16. The adjustable floating plate lumbar support of claim 14 wherein said upper support plate and said lower support plate are integral.
17. The adjustable floating plate lumbar support of claim 14 wherein said second actuator mechanism is manually activated.
18. The adjustable floating plate lumbar support of claim 14 wherein said second actuator mechanism is electrically powered.
19. The adjustable floating plate lumbar support of claim 14 wherein said upper support plate is hingedly connected to said lower support plate proximate a pivot line defined by said lower plate support linkage.
20. The adjustable floating plate lumbar support of claim 14 wherein said floating support plate is constructed of a substantially rigid material such that said lower and said upper support plates do not flex when loaded by an occupant.
21. The adjustable floating plate lumbar support for seats of claim 14 wherein said upper plate support linkage is defined by first and second securement members engaged with first and second linkage members respectively, wherein said first and second securement members are adapted to further engage a seat frame and further wherein said first and second linkage members include threaded fasteners, wherein said second actuator mechanism is a powered mechanism for providing rotary motion to a shaft having first and second ends, said first and second ends of said shaft being oppositely threaded and said threaded fastener of said first linkage member being threadably engaged with said first end of said shaft and said threaded fastener of said second linkage member being threadably engaged with said second end of said shaft such that rotation of said shaft in a first direction draws said first and second linkage members inward thereby shortening said effective length of said upper plate support linkage, and rotation of said shaft in a second direction moves said first and second linkage members outward thereby increasing said effective length of said upper plate support linkage.
22. An adjustable floating plate lumbar support for seats, said adjustable floating plate lumbar support comprising:
a lower support plate for providing support to a lumbar region of a seat, said lower support plate having a front surface and a rear surface;
a lower plate support linkage for supporting said lower support plate, wherein said lower plate support linkage is adapted for engaging a seat frame, said lower plate support linkage having an effective length and including at least one spring member disposed between said lower support plate and the seat frame, said lower plate support linkage supporting said lower support plate in a pivotal manner;
an upper support plate for providing support to a lumbar region of a seat and ii for providing adjustment of a vertical dimension of said support to said lumbar region, said upper support plate having a front surface and a rear surface, said upper support plate having a lower edge hingedly connected to said lower support plate;
an upper plate support linkage for supporting said upper support plate, wherein said upper plate support linkage is adapted for engaging a seat frame, said upper plate support linkage having an effective length and including at least one spring member disposed between said upper support plate and the seat frame, said upper plate support linkage supporting said upper support plate in a pivotal manner, wherein said upper plate support linkage is defined by first and second securement members engaged with first and second linkage members respectively, wherein said first and second securement members are adapted to further engage a seat frame and further wherein said first and second linkage members include threaded fasteners;
a first actuator mechanism for adjusting said effective length of said lower plate support linkage, whereby an amount of lumbar support provided by said lower support plate is increased as said effective length of said support linkage is decreased; and
a second actuator mechanism for adjusting said effective length of said upper plate support linkage, whereby an amount of lumbar support provided by said upper support plate is increased as said effective length of said upper plate support linkage is decreased, wherein said second actuator mechanism is a powered mechanism for providing rotary motion to a shaft having first and second ends, said first and second ends of said shaft being oppositely threaded and said threaded fastener of said first linkage member being threadably engaged with said first end of said shaft and said threaded fastener of said second linkage member being threadably engaged with said second end of said shaft such that rotation of said shaft in a first direction draws said first and second linkage members inward thereby shortening said effective length of said upper plate support linkage, and rotation of said shaft in a second direction moves said first and second linkage members outward thereby increasing said-effective length of said upper plate support linkage;
whereby selective actuation said first and said second actuator mechanisms provides adjustment of a vertical dimension of said adjustable floating plate lumbar support.
23. The adjustable floating plate lumbar support for seats of claim 22 wherein said lower plate support linkage is defined by first and second securement members engaged with first and second linkage members respectively, wherein said first and second securement members are adapted to further engage a seat frame and further wherein said first and second linkage members include threaded fasteners, wherein said first actuator mechanism is a powered mechanism for providing rotary motion to a shaft having first and second ends, said first and second ends of said shaft being oppositely threaded and said threaded fastener of said first linkage member being threadably engaged with said first end of said shaft and said threaded fastener of said second linkage member being threadably engaged with said second end of said shaft such that rotation of said shaft in a first direction draws said first and second linkage members inward thereby shortening said effective length of said lower plate support linkage, and rotation of said shaft in a second direction moves said first and second linkage members outward thereby increasing said effective length of said lower plate support linkage.
24. The adjustable floating plate lumbar support of claim 22 wherein said upper support plate is hingedly connected to said lower support plate proximate a pivot line defined by said lower plate support linkage.
25. The adjustable floating plate lumbar support of claim 22 wherein said upper support plate and said lower support plate are integral.
26. The adjustable floating plate lumbar support of claim 22 wherein said lower and said upper floating support plates have a curved front surface.
27. The adjustable floating plate lumbar support of claim 22 wherein said first actuator mechanism is manually activated.
28. The adjustable floating plate lumbar support of claim 22 wherein said first actuator mechanism is electrically powered.