FR619046A - Selective remote sound signaling system - Google Patents

Selective remote sound signaling system

Info

Publication number
FR619046A
FR619046A FR619046DA FR619046A FR 619046 A FR619046 A FR 619046A FR 619046D A FR619046D A FR 619046DA FR 619046 A FR619046 A FR 619046A
Authority
FR
France
Prior art keywords
signaling system
remote sound
sound signaling
selective remote
selective
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACTION A DISTANCE L
Compteurs Schlumberger SA
Original Assignee
ACTION A DISTANCE L
Compteurs Schlumberger SA
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 ACTION A DISTANCE L, Compteurs Schlumberger SA filed Critical ACTION A DISTANCE L
Application granted granted Critical
Publication of FR619046A publication Critical patent/FR619046A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR619046D 1926-07-17 1926-07-17 Selective remote sound signaling system Expired FR619046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR619046T 1926-07-17

Publications (1)

Publication Number Publication Date
FR619046A true FR619046A (en) 1927-03-25

Family

ID=8983390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR619046D Expired FR619046A (en) 1926-07-17 1926-07-17 Selective remote sound signaling system

Country Status (1)

Country Link
FR (1) FR619046A (en)

Similar Documents

Publication Publication Date Title
FR619046A (en) Selective remote sound signaling system
FR632050A (en) Remote signaling system
FR601604A (en) Remote signaling system
FR621470A (en) Telegraph transmission system
FR629149A (en) Signaling system
FR619409A (en) Signaling system
FR622348A (en) Underwater signaling system
FR616914A (en) Acoustic signaling device
FR673423A (en) Signaling headlight system
FR673132A (en) Remote electrical signaling system
FR31970E (en) Remote selection system
FR694066A (en) Acoustic signaling device
FR640785A (en) Acoustic signaling device
FR605348A (en) High frequency signaling system
FR606311A (en) Improvements to signaling systems
FR608218A (en) Electrical signaling system
FR609669A (en) Automatic repeating signaling system
FR659709A (en) Improvements to signaling systems
FR633683A (en) Signaling device
FR630440A (en) Signaling device
FR624943A (en) Improvements to acoustic signaling installations
FR628929A (en) Signaling devices
FR625837A (en) Transmission system
AT116452B (en) Sound signaling device.
FR632066A (en) Console-support system