What is claimed is:
1. An input device comprising:
a case including a rib formed therein to extend in a given direction;
circuit boards each including an input part, the circuit boards being temporarily fastened to said case via the rib in process of assembling the input device; and
a support member which is fixed to said case so as to support said circuit boards between the support member and said case after said circuit boards are temporarily fastened to said case.
2. The input device as claimed in claim 1, wherein said circuit boards are slanted with respect to the direction in which the rib extends in being temporarily fastened to said case, and are fixed to said case in slanted states by said support member.
3. The input device as claimed in claim 1, wherein each of two of said circuit boards include first and second end portions on first and second parallel sides, and is temporarily fastened to said case with the first end portion engaging the rib and opposed end portions of the second end portion engaging claw parts formed on the rib.
4. The input device as claimed in claim 2, wherein each of two of said circuit boards include first and second end portions on first and second parallel sides, and is temporarily fastened to said case with the first end portion engaging the rib and opposed end portions of the second end portion engaging claw parts formed on the rib.
5. The input device as claimed in claim 1, wherein one of said circuit boards has holes formed therein, and is temporarily fastened to said case with the holes engaging the rib and a first side of the one of said circuit boards engaging the rib by rotationally moving the one of said circuit boards with the holes serving fulcrums in a direction reverse to the direction in which the rib extends.
6. The input device as claimed in claim 2, wherein one of said circuit boards has holes formed therein, and is temporarily fastened to said case with the holes engaging the rib and a first side of the one of said circuit boards engaging the rib by rotationally moving the one of said circuit boards with the holes serving fulcrums in a direction reverse to the direction in which the rib extends.
7. The input device as claimed in claim 5, wherein:
the one of said circuit boards further includes a second side parallel to the first side thereof; and
the holes are formed close to the second side.
8. The input device as claimed in claim 6, wherein:
the one of said circuit boards further includes a second side parallel to the first side thereof; and
the holes are formed close to the second side.
9. An input device having input parts, comprising:
a control part which outputs data input from one of the input parts after a passage of a given period of time if the one of the input parts is operated within the given period of time, and outputs data input from two or more of the input parts after a passage of a given period of time if the two or more of the input parts are operated within the given period of time.
10. The input device as claimed in claim 9, wherein said control part outputs data from predetermined two of the input parts if the predetermined two of the input parts are operated within a given period of time.
11. The input device as claimed in claim 10, wherein said control part outputs data from an operated one of the input parts to a host computer upon receiving a predetermined command from the host computer.
12. The input device as claimed in claim 9, wherein said control part sets data supplied from a first predetermined one of the input parts in an outputtable state when the input device is activated, and sets data supplied from two or more of the input parts in an outputtable state if a second predetermined one of the input parts is operated.
13. The input device as claimed in claim 12, wherein said control part sets the data supplied from the two or more of the input parts in the outputtable state based on an operation of the second predetermined one of the input parts when a host computer supplies said control part with a command indicating that data from two or more of the input parts is receivable in the host computer.
14. The input device as claimed in claim 9, wherein said control part detects operation frequencies of the input parts so as to adjust data scanning frequencies thereof in accordance with the operation frequencies.
15. The input device as claimed in claim 14, wherein the data scanning frequencies are adjusted to become higher if the operation frequencies become higher and to become lower if the operation frequencies become lower.
16. The input device as claimed in claim 14, wherein a data scanning frequency of one of the input parts in operation is increased for a certain period of time if the one of the input parts has a low operation frequency compared with a rest of the input parts.
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. A method of making a transparent panel-form loudspeaker, the loudspeaker comprised of a rectangular transparent panel having a length a and a width b, wherein b is less than or equal to a to be capable of sustaining flexural vibration over an area of the rectangular transparent panel, said method comprising the steps of:
(a) analyzing the distributions of modal parameters, which include natural frequencies, modal amplitudes, mode shapes and phase angles, in the modal analysis of said rectangular transparent panel which is driven by a preselected number of transducers to generate flexural vibration of said rectangular transparent panel and supported peripherally by a flexible suspension device comprised of a continuous corrugated cloth support and several discrete supports, said modal parameters varying according to values of design parameters of said transparent panel-form loudspeaker including a ratio of elastic modulus to density of the material used to fabricate said rectangular transparent panel, a ratio of length to thickness of said rectangular transparent panel, locations of said transducers and discrete supports on a peripheral edge of said rectangular transparent panel;
(b) analyzing a sound pressure level spectrum generated by said transparent panel-form loudspeaker, said sound pressure level spectrum also varying according to the values of said design parameters of said panel-form loudspeaker;
(c) identifying favorable modal parameters which are beneficial to sound radiation and unfavorable modal parameters which have adverse effects on the sound radiation;
(d) selecting the values of said design parameters resulting in suppressing the adverse effects of the unfavorable modal parameters, magnifying beneficial effects of the unfavorable modal parameters, and achieving a desired sound pressure level spectrum over a specific frequency range; and
(e) making said rectangular transparent panel of said panel-form loudspeaker with selected values of said design parameters;
wherein said design parameters of the transparent panel-form loudspeaker are selected via a two-level optimization approach in which the ratio of elastic modulus to density and the ratio of length to thickness of the transparent panel are selected to maximize the sound pressure levels at some specific frequencies for the transparent panel-form loudspeaker at a first level of optimization, while locations of said transducers and said discrete supports of the flexible suspension device on a peripheral edge of the rectangular transparent panel are selected to make the panel-form loudspeaker produce more uniform distribution of the sound pressure level in a specific frequency range at a second level of optimization; and
wherein said transducers are located at points with distances greater than one tenth of lengths of edges on which the transducers are mounted away from ends of the edges and the distances between supporting points of discrete supports and said transducers are greater than one tenth of the length of the edge on which both said supporting points and the transducers are situated.
2. The method according to claim 1 wherein said transport panel used in fabricating the transparent panel-form loudspeaker is selected to have said ratio of elastic modulus to density greater than 80 and less than 180 GPa(gcom3) and said ratio of length to thickness greater than 80 and less than 600.