GB189711226A - Improvements in Telephones. - Google Patents
Improvements in Telephones.Info
- Publication number
- GB189711226A GB189711226A GB189711226DA GB189711226A GB 189711226 A GB189711226 A GB 189711226A GB 189711226D A GB189711226D A GB 189711226DA GB 189711226 A GB189711226 A GB 189711226A
- Authority
- GB
- United Kingdom
- Prior art keywords
- receiver
- transmitter
- case
- instruments
- closed
- 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
Landscapes
- Telephone Set Structure (AREA)
Abstract
11,226. Priddle, E. May 5. Telephones.-The transmitter and receiver are arranged so that their cases fit together by means of a flange and semicircular groove. The transmitter has a contact-spring l, which cuts out the instruments from line when the receiver is at rest, but cuts in the instruments when the receiver is removed. The receiver is provided with a bell push. Fig. 4 shows aback view of the transmitter ; h is a pivoted case containing carbon granules, and is closed at the front by a carbon disc. The microphone and its connections are mounted in a disc or box g held in the case a by turn-buttons. Fig. 6 shows a back view of the receiver, in which n is a permanent magnet attached to the ring m and carrying polar extensions provided with coils. o is a contact-spring operated by the push and playing between contacts g and 10 mounted on the insulation p. The front of the case b is closed by a diaphragm and ear piece.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB189711226T | 1897-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB189711226A true GB189711226A (en) | 1898-03-12 |
Family
ID=32354220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB189711226D Expired GB189711226A (en) | 1897-05-05 | 1897-05-05 | Improvements in Telephones. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB189711226A (en) |
-
1897
- 1897-05-05 GB GB189711226D patent/GB189711226A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB189711226A (en) | Improvements in Telephones. | |
| US1201060A (en) | Sound transmitting and reproducing unit. | |
| US529203A (en) | John serdinko | |
| US986267A (en) | Telephone-signal. | |
| GB190925191A (en) | Improvements in Appliances for Submarine Sound Signalling. | |
| GB190105305A (en) | Improvements in Microtelephones. | |
| GB189820972A (en) | An Improvement in the Adaptation of the Telephone to Electric Bell Pushes such as are Used in Ordinary Bell and Indicator Systems for Private Houses, Offices, Hotels and the like. | |
| US293154A (en) | Telephone | |
| GB190815461A (en) | Improvements in Electrically Sounded Horns | |
| GB709656A (en) | Improvements in electrodynamic sound receiving and transmitting apparatus | |
| US236021A (en) | gower | |
| US1014268A (en) | Combined transmitter and receiver. | |
| US1104610A (en) | Receiver for telephones. | |
| US269884A (en) | James harris rogers | |
| GB191421921A (en) | Improvements in Loud Speaking Telephone Apparatus. | |
| US288366A (en) | James ii | |
| US227736A (en) | Electric telephone | |
| GB191406083A (en) | Improvements in Devices for Transmitting Sounds. | |
| GB190216981A (en) | Combined Sounding Telegraph and Telephone. | |
| GB1016716A (en) | Improvements relating to electro-acoustic transducers | |
| GB190912857A (en) | Improvements in Telephonic Receiving and Transmitting Apparatus. | |
| US500545A (en) | andees | |
| US594060A (en) | Theodore berdell | |
| GB190125143A (en) | Improvements in or connected with Telephone Transmitting Instruments. | |
| GB190518193A (en) | Improvements in Microphones or Telephone Transmitters. |