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.)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SAfiledCriticalCompagnie Francaise Thomson Houston SA
Application grantedgrantedCritical
Publication of FR499150ApublicationCriticalpatent/FR499150A/fr
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B9/00—Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR499150D1917-09-011917-09-01Dispositif de transmission d'ordre à distance
ExpiredFR499150A
(fr)