Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1994-11-02
1996-02-27
Kuntz, Curtis
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 58, 455 384, H04M 1100, H04Q 302
Patent
active
054955173
ABSTRACT:
In a radio communication apparatus having both portable telephone portion and radio paging portion, the portable telephone portion comprises a portable telephone transmission/reception unit 21, a control unit 23, a speech transceiver 25, a display unit 27, and an operation unit 29, while the radio paging portion comprises a radio paging receiver unit 31, the control unit 23, the display unit 27, the operation unit 29, a tone generation announcement unit 33, a silent announcement unit 35, an announcement mode memory 39, and a reception information memory 37. It is assumed that the operation unit 29 selects "a delayed announcement mode after completion of communication" and stores this mode in the announcement mode memory 39. In this event, when the radio paging operation is received during communication of the portable telephone portion, the control unit 23 makes the silent announcement unit 35 carry out call announcement in a silent mode and makes the reception information memory 37 memorize a message. After completion of the communication, the control unit 23 makes the tone generation announcement unit 33 announce reception of the radio paging operation during communication and makes the display unit 27 collectively display the reception information.
REFERENCES:
patent: 4904992 (1990-02-01), Grothause
patent: 5054052 (1991-10-01), Nonami
patent: 5117449 (1992-05-01), Metroka et al.
patent: 5148473 (1992-09-01), Freeland et al.
patent: 5392452 (1995-02-01), Davis
Ide Motoki
Yamada Kazunobu
Kuntz Curtis
Maung Nay Aung
NEC Corporation
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