1. A hearing aid case comprising:
a compartment to receive at least one hearing aid;
a transducer to detect and convert oscillations in the compartment into electrical signals;
a logic circuit coupled to the transducer, the logic circuit further comprising:
a reference signal or level source adapted to produce a reference signal, and
a processor having a first input coupled to the transducer and a second input coupled to the reference signal or level source, wherein the processor is adapted to produce a first output if a difference between the electrical signals and the reference signal is indicative of a quiescent activity of the hearing aid; and
at least one visual cue that is activated by the electrical signals.
2. The hearing aid case as in claim 1, further comprising:
an amplifier coupled between the transducer and the visual cue, wherein the amplifier is adapted to amplify the electrical signals produced by the transducer.
3. The hearing aid case as in claim 1, wherein the hearing aid case is substantially isolated from oscillations external to the hearing case.
4. A method for detecting oscillation of a hearing aid in a storage case, the method comprising:
detecting the oscillation of the hearing aid by a transducer;
using the transducer to convert the oscillation into an electrical signal; signal;
using a visual cue to convert the electrical signal into a visual signal; and
using a logic circuit to determine if the electric signal is indicative of a quiescent activity of the hearing aid, the logic circuit comparing the electric signal with a reference signal to determine the quiescent activity of the hearing aid.
5. A hearing aid case comprising:
a compartment to receive at least one hearing aid;
a transducer to detect and convert noises in the compartment into electrical signals;
a logic circuit coupled to the transducer, the logic circuit further comprising:
a reference signal or level source adapted to produce a reference signal, and
a processor having a first input coupled to the transducer and a second input coupled to the reference signal level or source, wherein the processor is adapted to produce a first output if a difference between the electrical signals and the reference signal is indicative of a quiescent activity of the hearing aid; and
a first visual cue that is activated by the logic circuit if the logic circuit determines that the electrical signals produced by the transducer is indicative of a quiescent activity of the hearing aid.
6. The hearing aid case as in claim 5, wherein the reference signal or level source is a memory containing data.
7. The hearing aid case as in claim 5, further comprising:
a storage case base; and
a lid pivotally attached to the storage case base, the storage case base and lid forming the compartment when the lid is in a closed position.
8. The hearing aid case as in claim 7, further comprising:
a switch mechanism which permits power to be transmitted to the logic circuit when the lid is in a closed position.
9. The hearing aid case as in claim 8, further comprising:
a switch mechanism which permits power to be transmitted to the logic circuit when the lid is in a closed position.
10. The hearing aid case as in claim 5, wherein the logic circuit further comprises:
an amplifying circuit to amplify the electrical signals produced by the transducer.
11. A method for detecting oscillation of a hearing aid in a storage case, the method comprising:
providing a compartment in the hearing aid in the storage case;
placing at least one hearing aid in a compartment;
using a transducer to convert noises in the compartment into electrical signals;
using a logic circuit to determine if the electrical signals are indicative of a quiescent activity of the hearing aid;
activating a visual cue if the logic circuit determines that the electrical signals are indicative of the quiescent activity of the hearing aid; and
the logic circuit comparing the electrical signals with a reference signal to determine the quiescent activity of the hearing aid.
12. The method as in claim 11, further comprising:
powering the logic circuit for a predetermined period of time after the hearing aid is placed in the compartment.
13. The method as in claim 11, further comprising:
turning on the hearing aid prior to placing the hearing aid in the compartment; and monitoring a noise generated by the hearing aid; and
storing the noise of the hearing aid in a memory as the reference signal.
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 catalyst constituent of catalyst for polymerizing or copolymerizing an \u03b1-olefin, represented by Formula 1:
Si(OR1)3(NR2R3)\u2003\u2003Formula 1
wherein in Formula 1, R1 is an ethyl group; R2 is a hydrocarbon group with 1 to 12 carbon atoms or hydrogen; and R3 is a hydrocarbon group with 1 to 12 carbon atoms.
2. The catalyst constituent of catalyst for polymerizing or copolymerizing an \u03b1-olefin according to claim 1, wherein the compound represented by Formula 1 comprises one or more of: dimethylaminotriethoxysilane; diethylaminotriethoxysilane; di-n-propylaminotriethyloxysilane; methyl-n-propylaminotriethoxysilane; t-butylaminotriethoxysilane; ethyl-n-propylaminotriethoxysilane; ethylisopropylaminotriethoxysilane; and methylethylaminotriethoxysilane.
3. A catalyst for polymerizing or copolymerizing an \u03b1-olefin, including the catalyst constituent according to claim 1.
4. A catalyst for polymerizing or copolymerizing an \u03b1-olefin, including A a solid catalyst constituent consisting essentially of magnesium, titanium, a halogen element and an electron donor; B an organoaluminum compound constituent; and C the catalyst constituent according to claim 1.
5. An \u03b1-olefin polymerization method of polymerizing or copolymerizing an \u03b1-olefin in the presence of the catalyst for polymerizing or copolymerizing an \u03b1-olefin, including the catalyst constituent of catalyst for polymerizing or copolymerizing an \u03b1-olefin, represented by Formula 1:
Si(OR1)3(NR2R3)\u2003\u2003Formula 1
wherein in Formula 1, R1 is an ethyl group; R2 is a hydrocarbon group with 1 to 12 carbon atoms or hydrogen; and R3 is a hydrocarbon group with 1 to 12 carbon atoms.
6. A method of manufacturing \u03b1-olefin propylene block copolymers, comprising a first step of homopolymerizing propylene in the presence of the catalyst for polymerizing or copolymerizing an \u03b1-olefin, including the catalyst constituent of catalyst for polymerizing or copolymerizing an \u03b1-olefin, represented by Formula 1:
Si(OR1)3(NR2R3)\u2003\u2003Formula 1
(wherein in Formula 1, R1 is an ethyl group; R2 is a hydrocarbon group with 1 to 12 carbon atoms or hydrogen; and R3 is a hydrocarbon group with 1 to 12 carbon atoms);
and a second step of block copolymerizing a combined monomer of propylene with an \u03b1-olefin other than propylene in the presence of the same catalyst after the first step.
7. The method of manufacturing \u03b1-olefin propylene block copolymers according to claim 6, wherein the second step includes gas-phase copolymerizing the combined monomer of propylene with the \u03b1-olefin other than propylene without inactivation of the catalyst used in the first step.
8. The method of manufacturing \u03b1-olefin propylene block copolymers according to claim 6, wherein the \u03b1-olefin is ethylene.
9. The method of manufacturing \u03b1-olefin propylene block copolymers according to claim 6, wherein the second step includes adding hydrogen in copolymerization.
10. A method of manufacturing \u03b1-olefin propylene random copolymers, comprising random copolymerizing a combined monomer of propylene with an \u03b1-olefin other than propylene in the presence of the catalyst for polymerizing or copolymerizing an \u03b1-olefin, including the catalyst constituent of catalyst for polymerizing or copolymerizing an \u03b1-olefin, represented by Formula 1:
Si(OR1)3(NR2R3)\u2003\u2003Formula 1
wherein in Formula 1, R1 is an ethyl group; R2 is a hydrocarbon group with 1 to 12 carbon atoms or hydrogen; and R3 is a hydrocarbon group with 1 to 12 carbon atoms.
11. The method of manufacturing \u03b1-olefin propylene random copolymers according to claim 10, wherein the \u03b1-olefin is ethylene.