ES487440A1 - Perfeccionamientos en los dispositivos de conmutacion para telefonia - Google Patents
Perfeccionamientos en los dispositivos de conmutacion para telefoniaInfo
- Publication number
- ES487440A1 ES487440A1 ES487440A ES487440A ES487440A1 ES 487440 A1 ES487440 A1 ES 487440A1 ES 487440 A ES487440 A ES 487440A ES 487440 A ES487440 A ES 487440A ES 487440 A1 ES487440 A1 ES 487440A1
- Authority
- ES
- Spain
- Prior art keywords
- circuit board
- printed circuit
- spring
- lifted
- receiver
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring
-
- 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
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/06—Hooks; Cradles
- H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30906/78A IT1160354B (it) | 1978-12-15 | 1978-12-15 | Sistema di commutazione per apparecchi citofonici e/o interfonici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES487440A1 true ES487440A1 (es) | 1980-09-16 |
Family
ID=11232744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES487440A Expired ES487440A1 (es) | 1978-12-15 | 1979-12-14 | Perfeccionamientos en los dispositivos de conmutacion para telefonia |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT381424B (de) |
| DE (1) | DE2949965A1 (de) |
| ES (1) | ES487440A1 (de) |
| IT (1) | IT1160354B (de) |
-
1978
- 1978-12-15 IT IT30906/78A patent/IT1160354B/it active
-
1979
- 1979-12-10 AT AT0778979A patent/AT381424B/de not_active IP Right Cessation
- 1979-12-12 DE DE19792949965 patent/DE2949965A1/de not_active Ceased
- 1979-12-14 ES ES487440A patent/ES487440A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1160354B (it) | 1987-03-11 |
| AT381424B (de) | 1986-10-10 |
| DE2949965A1 (de) | 1980-07-03 |
| ATA778979A (de) | 1986-02-15 |
| IT7830906A0 (it) | 1978-12-15 |
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