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4682357 |
Automobile telephone apparatus
An automobile telephone apparatus comprising a CPU memory means for repertory dialing, and sound producing means to provide audible feedback to the user. The device emits a tone pulse each time a...
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4614839 |
Road-vehicle telephone apparatus
Dial keys and other keys for a telephone set are provided on an operation board mounted on a steering wheel so as to make an answer-back in accordance with dial operation. The answer-back is...
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4220820 |
Control circuitry for a radio telephone
A control circuitry for a radio telephone having a transmitter, a receiver, a cradle and a handset. The handset includes a first computer having a stored program control therein, a first memory, a...
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4178548 |
Voice actuated mobile radio
This invention relates to a method and apparatus for operating a mobile communications transmitter/receiver type radio from a motorcycle or in another high ambient noise environment. A contact...
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4122304 |
Control circuitry for a radio telephone
A control circuitry for a radio telephone having a transmitter, a receiver, a cradle and a handset. The handset includes a first computer having a stored program control therein, a first memory, a...
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4087638 |
DTMF Communication system
A highly flexible and economical dual tone multiple frequency (DTMF) communication system includes a data input source such as a keyboard; a repertory dialer or electronic memory; an integratable...
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4059728 |
Touchpad dialer for mobile telephones
A touchpad dialer for mobile telephones comprising a touchpad keyboard, a dial pulse relay, a means for converting signals from the keyboard to control signals for the dial pulse relay, a tone...
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3970801 |
Dialing apparatus for a portable radio telephone
This apparatus is especially useful as a conversion kit and includes a new front cover for a portable radio telephone having a plurality of push buttons mounted therein, which push buttons activate...
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3458664 |
CONTROL UNIT FOR MOBILE RADIO TELEPHONE SYSTEM
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3124657 |
Title is not available
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