Cordless telephone capable of programming an ID code into both a base and cordless remote unit via the cordless remote unit
First Claim
1. A cordless telephone for transmitting and receiving telephone calls including a base unit and a remote unit capable of communicating with each other through radio transmission, where both the base unit and the remote unit include a programmable ID code which is transmitted when the remote unit desires radio transmission of an outgoing telephone call via the base unit or the base unit desires radio transmission of an incoming telephone call to the remote unit whereupon communication of incoming and outgoing telephone calls through radio transmission, between both units, is established only when the ID code of a remote unit is identical to the ID code of the base unit, the remote unit further including,storage means for storing said programmable ID code, andinput means, operatively connected to said storage means and including a programming key, numerical keys and an ID key, for inputting said ID code into said storage means upon activating said programming key and said ID key and numerical keys corresponding to the ID code, and for subsequently outputting a radio transmission to the base unit, including the ID code;
- the base unit including,detecting means for receiving said output radio transmission, including said ID code, and for detecting activation of said programming key and ID key,control means, operatively connected to said detecting means, for outputting a first write signal, followed by said ID code, in response to said detecting means detecting activation of said programming key and said ID key, andnon-volatile memory means, operatively connected to said control means and capable of accessing and storing data, for, upon receiving said output first write signal, storing said ID code in a first memory area.
1 Assignment
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Accused Products
Abstract
According to the invention, an E2 P-ROM, which is a non-volatile memory element capable of electrically reading and writing data as a memory element to store ID codes, is used and the remaining memory area of the non-volatile memory element is used to store abbreviated dialing numbers. This arrangement makes it unnecessary to separately provide a memory element to store the abbreviated dialing numbers and dispenses with the backup batteries for the abbreviated dialing numbers memory. The number of component parts can also be reduced to allow the telephone set to be manufactured at a lower cost. Further, a cordless remote unit can be used to program itself, and a base unit, with identical ID codes to provide private access lines. Also, the base unit can either read or write the ID code from or to its memory, respectively, dependent upon the transmission sent from the remote unit.
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Citations
7 Claims
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1. A cordless telephone for transmitting and receiving telephone calls including a base unit and a remote unit capable of communicating with each other through radio transmission, where both the base unit and the remote unit include a programmable ID code which is transmitted when the remote unit desires radio transmission of an outgoing telephone call via the base unit or the base unit desires radio transmission of an incoming telephone call to the remote unit whereupon communication of incoming and outgoing telephone calls through radio transmission, between both units, is established only when the ID code of a remote unit is identical to the ID code of the base unit, the remote unit further including,
storage means for storing said programmable ID code, and input means, operatively connected to said storage means and including a programming key, numerical keys and an ID key, for inputting said ID code into said storage means upon activating said programming key and said ID key and numerical keys corresponding to the ID code, and for subsequently outputting a radio transmission to the base unit, including the ID code; -
the base unit including, detecting means for receiving said output radio transmission, including said ID code, and for detecting activation of said programming key and ID key, control means, operatively connected to said detecting means, for outputting a first write signal, followed by said ID code, in response to said detecting means detecting activation of said programming key and said ID key, and non-volatile memory means, operatively connected to said control means and capable of accessing and storing data, for, upon receiving said output first write signal, storing said ID code in a first memory area. - View Dependent Claims (2, 3, 4)
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5. A cordless telephone comprising:
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a base unit and a remote unit, wherein the base unit includes, detecting means for receiving a first radio transmission, including an ID code, from a remote unit and for detecting activation of a programming key and ID key from the remote unit, control means, operatively connected to said detecting means, for outputting a first write signal, followed by said ID code, in response to said detecting means detecting activation of said programming key and said ID key from the remote unit. first memory means, including an electrically erasable programmable read only memory, for storing the ID code, received as a portion of the first radio transmission from the remote unit, to identify the particular combination of the base unit and the remote unit upon the detecting means detecting indication of an activated programming key, at the remote unit, from the first radio transmission, first modulator transmitter means for modulating and transmitting a radio signal, means for reading the ID code stored in the first memory means and for outputting the read ID code to the first modulator-transmitter means upon receiving a second radio transmission from the remote unit, and for subsequently transferring the second radio transmission, to the first modulator-transmitter means, first receiver-demodulator means for receiving and demodulating the second radio transmission, including the ID code and a remote telephone number, from the remote unit, and means for, in response to output from the first receiver-demodulator means, inputting a portion of the demodulated second radio transmission, the portion following the ID code containing the remote telephone number, onto a telephone line when the demodulated received ID code and the ID code stored in the first memory means are identical, and the remote unit including, input means, including a programming key, for, upon activation of the programming key, inputting an ID code, second memory means for storing the ID code input through the input means, a microphone for inputting an audible signal, second modulator-transmitter means for transmitting a modulated radio signal, including the ID code and indication of activation of the programming key, as a first radio transmission to the base unit, said input means inputting the remote telephone number to access another remote telephone, means for automatic accessing the ID code stored in the second memory means, for outputting the automatically accessed ID code and the remote telephone number to the second modulator-transmitter means, and for subsequently outputting the audible signal from the microphone to the second modulator-transmitter means, said second modulator transmitter means transmitting a modulated radio signal including the automatically accessed ID code and the remote telephone number, as a second radio transmission, second receiver-demodulator means for receiving and demodulating a radio signal from the base unit, a speaker and means for, in response to an output from the second receiver-demodulator means, converting the demodulated signal following the ID code and remote telephone number, into an acoustic signal by means of the speaker when the demodulated ID code and the ID code stored in the second storage means are identical and upon connecting to a remote telephone. - View Dependent Claims (6, 7)
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Specification