BE401750A - - Google Patents

Info

Publication number
BE401750A
BE401750A BE401750DA BE401750A BE 401750 A BE401750 A BE 401750A BE 401750D A BE401750D A BE 401750DA BE 401750 A BE401750 A BE 401750A
Authority
BE
Belgium
Prior art keywords
telephone
alarm device
help
secret
secret alarm
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE401750A publication Critical patent/BE401750A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H04M11/045—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
BE401750D BE401750A (OSRAM)

Publications (1)

Publication Number Publication Date
BE401750A true BE401750A (OSRAM)

Family

ID=67621

Family Applications (1)

Application Number Title Priority Date Filing Date
BE401750D BE401750A (OSRAM)

Country Status (1)

Country Link
BE (1) BE401750A (OSRAM)

Similar Documents

Publication Publication Date Title
CN109074708A (zh) 低功耗音频/视频记录和通信门铃
US6009320A (en) Vehicle alarm system triggerable cell phone activation circuit
US20060132294A1 (en) Automotive vehicle panic alarm system for thwarting an attack, and method of same
US20030104800A1 (en) Telephone with alarm signalling
FR2793334A1 (fr) Systeme de protection des logements contre l'intrusion
BE401750A (OSRAM)
FR2584219A1 (fr) Centrale modulaire de surveillance et d'alarme de haute securite et procede de fonctionnement correspondant.
US3700813A (en) Telephoning system
US4525600A (en) Automatic telephone answering device
FR2595744A1 (fr) Cle et serrure electroacoustique correspondante
EP0377379A1 (fr) Dispositif appeleur téléphonique automatique
FR2813977A1 (fr) Systeme de controle pour cloture electrique
CN105554297A (zh) 信息提醒方法及装置、终端
US3131260A (en) Automatic alarm system
FR2858902A1 (fr) Telephone portable
US2878315A (en) Telephone alarm device
JP5516902B2 (ja) 端末装置及びプログラム
KR960027980A (ko) 전화기의 비상다이얼링을 통한 긴급메시지발신장치
US2883460A (en) Automatic transmission alarm
US1640294A (en) Alarm system
FR2484177A1 (fr) Appareil automatique de transmission d'alarmes par le reseau telephonique autocommute
US3140349A (en) Automatic alarm signalling system
US1350188A (en) Automatic burglar-alarm
CN215042657U (zh) 一种车辆防盗报警设备
GB2355842A (en) Doorbell messaging system using audio, video or both