FR88620E - Dispositif de codage pour installations de télécommunication, notamment pour la sélection dans les installations téléphoniques
- Google Patents
Dispositif de codage pour installations de télécommunication, notamment pour la sélection dans les installations téléphoniques
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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
Priority claimed from DES87426Aexternal-prioritypatent/DE1205587B/de
Application filed by Siemens and Halske AG, Siemens CorpfiledCriticalSiemens and Halske AG
Priority to FR27808ApriorityCriticalpatent/FR88620E/fr
Application grantedgrantedCritical
Publication of FR88620EpublicationCriticalpatent/FR88620E/fr
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/02—Constructional features of telephone sets
H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of DC signals of alternating polarity, coded pulses or impedance dialling
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Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
FR27808A1963-09-201965-08-10Dispositif de codage pour installations de télécommunication, notamment pour la sélection dans les installations téléphoniques
ExpiredFR88620E
(fr)
Dispositif de contact enfichable pour des installations de telecommunications, en particulier pour des systemes de distribution dans des centraux telephoniques