RO99947B1 - APARAT ELECTRONIC DE REDARE SI îNREGISTRARE AUTOMATA A MESAJELOR TELEFONICE - Google Patents

APARAT ELECTRONIC DE REDARE SI îNREGISTRARE AUTOMATA A MESAJELOR TELEFONICE

Info

Publication number
RO99947B1
RO99947B1 RO132120A RO13212089A RO99947B1 RO 99947 B1 RO99947 B1 RO 99947B1 RO 132120 A RO132120 A RO 132120A RO 13212089 A RO13212089 A RO 13212089A RO 99947 B1 RO99947 B1 RO 99947B1
Authority
RO
Romania
Prior art keywords
contact
electronic apparatus
recording
relay
play
Prior art date
Application number
RO132120A
Other languages
English (en)
Inventor
Lorin Ioan Fortuna
Sorin Panu
Marius Ilea
Marian Garaiacu
Sorin Bud
Original Assignee
Institutul Politehnic "Traian Vuia"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institutul Politehnic "Traian Vuia" filed Critical Institutul Politehnic "Traian Vuia"
Priority to RO132120A priority Critical patent/RO99947B1/ro
Publication of RO99947B1 publication Critical patent/RO99947B1/ro

Links

Landscapes

  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)

Abstract

Inventia se refera la un aparat electronic de redare si înregistrare automata a mesajelor telefonice care cuprinde un circuit de intrare de adaptare la linia telefonica, conectat la un detector de nivel un circuit de temporizare si un prin releu printr-un contact bipozitional, pe pozitia a doua stabilind contactul cu un amplificator de redresare as semnalului de la capul de redare conectat cu un filtru trece banda si la al doilea releu ca si la un difuzor contactul bipozitional, fiind înseriat cu al doilea contact bipozitional care, pe pozitia a doua stabileste contactul corpului de întregistrare prin amplificatorul corespunzator cu filtrul si releul al doilea si cu un difuzor, aparatul fiind prevazut si cu doua motoare pentru sistemul de redare si cel de înregistrare.
RO132120A 1989-02-10 1989-02-10 APARAT ELECTRONIC DE REDARE SI îNREGISTRARE AUTOMATA A MESAJELOR TELEFONICE RO99947B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO132120A RO99947B1 (ro) 1989-02-10 1989-02-10 APARAT ELECTRONIC DE REDARE SI îNREGISTRARE AUTOMATA A MESAJELOR TELEFONICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO132120A RO99947B1 (ro) 1989-02-10 1989-02-10 APARAT ELECTRONIC DE REDARE SI îNREGISTRARE AUTOMATA A MESAJELOR TELEFONICE

Publications (1)

Publication Number Publication Date
RO99947B1 true RO99947B1 (ro) 1990-09-28

Family

ID=40908000

Family Applications (1)

Application Number Title Priority Date Filing Date
RO132120A RO99947B1 (ro) 1989-02-10 1989-02-10 APARAT ELECTRONIC DE REDARE SI îNREGISTRARE AUTOMATA A MESAJELOR TELEFONICE

Country Status (1)

Country Link
RO (1) RO99947B1 (ro)

Similar Documents

Publication Publication Date Title
TR199701496T1 (xx) İnsan kulağı özelliklerinin kullanıldığı veri yayım sistemi.
EA199700164A1 (ru) Устройство для аускультации
RO99947B1 (ro) APARAT ELECTRONIC DE REDARE SI îNREGISTRARE AUTOMATA A MESAJELOR TELEFONICE
FR2305909A1 (fr) Appareil microphonique pour la transmission de la parole dans une ambiance bruyante
FR2487603B1 (fr) Dispositif pour amplifier et echantillonner des signaux multiplexes
EP0121508A3 (en) A method to influence an audio source during telephone operation, and a device for utilization of the method
FR2618622B1 (fr) Circuit compresseur de signal, en particulier pour appareil telephonique
DE68919564D1 (de) Wiedergabegerät für FM-Audio-Signale.
FR2537810B1 (ro)
JPS59108358U (ja) 外耳道装着形成受話器における自動音声送受信切換装置
FR2384390A1 (fr) Circuit de silence pour recepteur radio
KR970002691B1 (ko) 멧세지 착신 갯수 확인장치
ATE405094T1 (de) Verfahren und einrichtung zur detektierung eines fernsprachsignals
FR2352458A1 (fr) Appareil de detection et de comptage des signaux de taxation des communications telephoniques
ATE166512T1 (de) Telefonwahlüberwachung und routenauswahlvorrichtung
FR2676321B1 (fr) Dispositif de filtrage acoustique pour emetteur de son en general et enceinte acoustique en particulier.
JPS5619245A (en) Information signal tone eliminating device
ES2080665A2 (es) Dispositivo de llamada de taxis interurbano.
JPS57104360A (en) Device for transmitting and receiving signal via telephone line
KR880010887U (ko) 전화통화시 오디오 신호 뮤팅회로
DE3665120D1 (en) Circuit for the suppression of the larsen effect in the false call zone for a subscriber telephone set
KR910002162A (ko) 무선전화기의 데이타 교신음 뮤트회로
JPS6173463A (ja) 留守番電話装置のリモ−トコントロ−ル回路
JPS6135657A (ja) ボタン電話装置
JPS63114352A (ja) 自動電話応答装置