TELEPHONE SET

PURPOSE:To facilitate the operation at dialing in various telephone sets remarkably by setting a reception loudspeaker mode when a speech line is acquired and selecting the mode into the handset speech mode with a detection output so as to attain the automatic changeover of the speech mode. CONSTITU...

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1. Verfasser:	IKUSHIMA TOSHIZO
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION WIRELESS COMMUNICATIONS NETWORKS
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creator	IKUSHIMA TOSHIZO
description	PURPOSE:To facilitate the operation at dialing in various telephone sets remarkably by setting a reception loudspeaker mode when a speech line is acquired and selecting the mode into the handset speech mode with a detection output so as to attain the automatic changeover of the speech mode. CONSTITUTION:When off-hook operation of a slave set S is detected and an external line key is depressed, a CPU 36 detects it and allows a radio transmission reception section 31 to send a dial signal to a master set M. A CPU 9 of the master set M receiving the dial signal through a radio transmission reception section 17 turns on a transistor(TR) 2 via a dial IC 8 to acquire an external line L and to set a speech channel between the master set M and the slave set S and sends speech start data to the slave set. The CPU 36 of the slave set S receives the data to activate an amplifier 41 and sends a dial tone from the external line L to a speaker 39. When the dial key is operated, the CPU 36 of the slave set S sends the dial signal to the master set M to attain the handset speech mode.
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CONSTITUTION:When off-hook operation of a slave set S is detected and an external line key is depressed, a CPU 36 detects it and allows a radio transmission reception section 31 to send a dial signal to a master set M. A CPU 9 of the master set M receiving the dial signal through a radio transmission reception section 17 turns on a transistor(TR) 2 via a dial IC 8 to acquire an external line L and to set a speech channel between the master set M and the slave set S and sends speech start data to the slave set. The CPU 36 of the slave set S receives the data to activate an amplifier 41 and sends a dial tone from the external line L to a speaker 39. When the dial key is operated, the CPU 36 of the slave set S sends the dial signal to the master set M to attain the handset speech mode.</description><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TELEPHONIC COMMUNICATION ; TRANSMISSION ; WIRELESS COMMUNICATIONS NETWORKS</subject><creationdate>1993</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930820&DB=EPODOC&CC=JP&NR=H05211554A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25566,76549</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930820&DB=EPODOC&CC=JP&NR=H05211554A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IKUSHIMA TOSHIZO</creatorcontrib><title>TELEPHONE SET</title><description>PURPOSE:To facilitate the operation at dialing in various telephone sets remarkably by setting a reception loudspeaker mode when a speech line is acquired and selecting the mode into the handset speech mode with a detection output so as to attain the automatic changeover of the speech mode. CONSTITUTION:When off-hook operation of a slave set S is detected and an external line key is depressed, a CPU 36 detects it and allows a radio transmission reception section 31 to send a dial signal to a master set M. A CPU 9 of the master set M receiving the dial signal through a radio transmission reception section 17 turns on a transistor(TR) 2 via a dial IC 8 to acquire an external line L and to set a speech channel between the master set M and the slave set S and sends speech start data to the slave set. The CPU 36 of the slave set S receives the data to activate an amplifier 41 and sends a dial tone from the external line L to a speaker 39. 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CONSTITUTION:When off-hook operation of a slave set S is detected and an external line key is depressed, a CPU 36 detects it and allows a radio transmission reception section 31 to send a dial signal to a master set M. A CPU 9 of the master set M receiving the dial signal through a radio transmission reception section 17 turns on a transistor(TR) 2 via a dial IC 8 to acquire an external line L and to set a speech channel between the master set M and the slave set S and sends speech start data to the slave set. The CPU 36 of the slave set S receives the data to activate an amplifier 41 and sends a dial tone from the external line L to a speaker 39. When the dial key is operated, the CPU 36 of the slave set S sends the dial signal to the master set M to attain the handset speech mode.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION WIRELESS COMMUNICATIONS NETWORKS
title	TELEPHONE SET
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