Transmitter-receiver station having low power consumption for a

Details Transmitter-receiver station having low power consumption for a Transmitter-receiver station having low power consumption for a

1984-08-13

1985-12-31

Rubinson, Gene Z.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

179 2EB, 455343, H04Q 704, H04B 116

Patent

active

045623074

ABSTRACT:
A transmitter-receiver station for two-way communication links comprises a power-saving device and a ringer which is responsive to incoming calls. When the handset of the station considered is replaced in its cradle after a connection with another station, the power-saving device of the station considered comes into operation, with the immediate result that the transmitter-receiver unit is subsequently supplied only in an intermittent manner and that, by means of a delay circuit, the ringer of the telephone set can be actuated only after a predetermined time interval. The effect thereby achieved in the station considered is that operation of the ringer is prevented from taking place as soon as the handset has been replaced if the handset in the other station remains lifted for a slightly longer period of time.

REFERENCES:
patent: 2912574 (1959-11-01), Gensel
patent: 4449248 (1984-05-01), Leslie et al.
patent: 4467141 (1984-08-01), Resch et al.
Patents Abstracts of Japan, vol. 5, No. 181 (E83) (853), Nov. 20, 1981 & JP A 56 110 357 (Nippon Denshin) (01-09-1981).
Patents Abstracts of Japan, vol. 6, No. 5 (E100) (930), Apr. 7, 1982 & JP A 56 165 425 (Meisei Denki K.K.) (19-12-81).

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