MESSAGE END JUDGING SYSTEM IN EMERGENCY INFORMER

申请公布号：JPS61224551(A)

申请号：JP19850064324

申请日期：1985.03.28

申请公布日期：1986.10.06

申请人：

NITSUKO CORP;NIPPON TELEGR & TELEPH CORP <NTT>

发明人：SUZUKI KOJI;NISHIMURA TOSHIO;TANAKA SHINGO;SHIMIZU MAKOTO

分类号：H04M11/04;G08B25/08

主分类号：H04M11/04

摘要：PURPOSE:To decrease the delay in emergency informing by detecting the hook-on of a handset by a called party to complete the sending of a message and bringing the operation to the next stage in an emergency informer connected to a telephone line. CONSTITUTION:While a message is sent from the emergency informer the polarity of the telephone line is supervised and when it is detected that the called party hooks on, the transmission of the message is stopped. Then photocouplers PC1, PC2 where light emitting diodes LED1, LED2 are connected in anti-parallel between a circuit section 1 applying automatic dial or message sending, for example, and a trunk line L1 are provided. Then the polarity of the trunk line through which the message is sent is supervised and when the called party hooks on and the polarity inversion is caused, the sending of the message is finished and the operation is transited to the next stage.

N-FENYLPYRAZOLDERIVAT ANVENDBARA SOM HERBICIDER

PERMENTATION PROCESS AND APPARATUS FOR THE MANUFACTURE OF AN ORGANIC COMPOUND

CEPHALOSPORINS

DISPOSITIVO ANALIZZATORE PER RICEVITORI PER SEGNALAZIONE MULTIFREQUENZA PARTICOLARMENTE PER CENTRALI TELEFONICHE

INSIEME DIFFUSORE DI VAPOZONO-ARIA OZONIZZATA PER CASCHI DA PARRUCCHIERE CONFORMATO A CORNA SVILUPPANTISI SECONDO UN PIANO EQUATORIALE DEL CASCO.

INSIEME DIFFUSORE DI VAPOZONO-ARIA OZONIZZATA PER CASCHI DI PARRUCCHIERE CONFORMATO AD OMEGA. SEGNO DI OMEGA.

STRUTTURA DI BICICLETTA CON TRASMISSIONE DEL MOTO AD INGRANAGGI.

MESCOLE PER PAVIMENTAZIONE E PROCEDIMENTO DI FABBRICAZIONE

ESTUFAS O COCINAS TROPIGAS ELECTRICAS

PIPERIDYLESTER DERIVATEN VAN BENZOEZUUR EN FARMACEUTISCHE PREPARATEN DIE DEZE DERIVATEN BEVATTEN, ALSMEDE WERKWIJZEN VOOR HET BEREIDEN VAN DEZE DERIVATEN.

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KNITTED FABRIC,PARTICULARLY A PILE KNITTED FABRIC