GB1098782A - Improvements to telephone subscribers' instruments - Google Patents
Improvements to telephone subscribers' instrumentsInfo
- Publication number
- GB1098782A GB1098782A GB4971/66A GB497166A GB1098782A GB 1098782 A GB1098782 A GB 1098782A GB 4971/66 A GB4971/66 A GB 4971/66A GB 497166 A GB497166 A GB 497166A GB 1098782 A GB1098782 A GB 1098782A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- circuits
- aerial
- handset
- inductive
- 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
Links
- 230000001939 inductive effect Effects 0.000 abstract 3
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST22618A DE1226650B (de) | 1964-09-01 | 1964-09-01 | Verfahren und Schaltungsanordnung zur Verbindung von Teilnehmerstationen mit deren Handapparaten in Fernsprechanlagen |
FR5174A FR1432760A (fr) | 1965-02-11 | 1965-02-11 | Perfectionnements aux postes téléphoniques |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1098782A true GB1098782A (en) | 1968-01-10 |
Family
ID=25994274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4971/66A Expired GB1098782A (en) | 1964-09-01 | 1966-02-04 | Improvements to telephone subscribers' instruments |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE690001A (enrdf_load_stackoverflow) |
GB (1) | GB1098782A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4993244A (en) * | 1990-05-09 | 1991-02-19 | Craig Osman | Locking apparatus for a cellular phone |
US5220270A (en) * | 1992-04-24 | 1993-06-15 | Automatic Technologies, Inc. | Battery charging device with secured contact unit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2570239B1 (fr) * | 1984-09-07 | 1988-07-15 | Centre Nat Rech Scient | Ecouteur, combine telephonique et casque d'ecoute destines a corriger les deficiences auditives individuelles |
-
1966
- 1966-02-04 GB GB4971/66A patent/GB1098782A/en not_active Expired
- 1966-11-22 BE BE690001D patent/BE690001A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4993244A (en) * | 1990-05-09 | 1991-02-19 | Craig Osman | Locking apparatus for a cellular phone |
US5220270A (en) * | 1992-04-24 | 1993-06-15 | Automatic Technologies, Inc. | Battery charging device with secured contact unit |
Also Published As
Publication number | Publication date |
---|---|
BE690001A (enrdf_load_stackoverflow) | 1967-05-02 |
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