JPS569815B2 - - Google Patents
Info
- Publication number
- JPS569815B2 JPS569815B2 JP8450777A JP8450777A JPS569815B2 JP S569815 B2 JPS569815 B2 JP S569815B2 JP 8450777 A JP8450777 A JP 8450777A JP 8450777 A JP8450777 A JP 8450777A JP S569815 B2 JPS569815 B2 JP S569815B2
- Authority
- JP
- Japan
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8450777A JPS5419306A (en) | 1977-07-14 | 1977-07-14 | Switch circuit for push button dial telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8450777A JPS5419306A (en) | 1977-07-14 | 1977-07-14 | Switch circuit for push button dial telephone set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5419306A JPS5419306A (en) | 1979-02-14 |
| JPS569815B2 true JPS569815B2 (en) | 1981-03-04 |
Family
ID=13832551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8450777A Granted JPS5419306A (en) | 1977-07-14 | 1977-07-14 | Switch circuit for push button dial telephone set |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5419306A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3951498A1 (en) | 2020-08-04 | 2022-02-09 | Shin-Etsu Chemical Co., Ltd. | Positive photosensitive resin composition, positive photosensitive dry film, method for producing positive photosensitive dry film, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component |
| EP3974904A1 (en) | 2020-09-24 | 2022-03-30 | Shin-Etsu Chemical Co., Ltd. | Photosensitive resin composition, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component |
| EP4063954A2 (en) | 2021-03-23 | 2022-09-28 | Shin-Etsu Chemical Co., Ltd. | Positive photosensitive resin composition, positive photosensitive dry film, method for producing positive photosensitive dry film, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57197636A (en) * | 1981-05-29 | 1982-12-03 | Fujitsu Ltd | Chattering preventing circuit |
-
1977
- 1977-07-14 JP JP8450777A patent/JPS5419306A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3951498A1 (en) | 2020-08-04 | 2022-02-09 | Shin-Etsu Chemical Co., Ltd. | Positive photosensitive resin composition, positive photosensitive dry film, method for producing positive photosensitive dry film, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component |
| EP3974904A1 (en) | 2020-09-24 | 2022-03-30 | Shin-Etsu Chemical Co., Ltd. | Photosensitive resin composition, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component |
| EP4063954A2 (en) | 2021-03-23 | 2022-09-28 | Shin-Etsu Chemical Co., Ltd. | Positive photosensitive resin composition, positive photosensitive dry film, method for producing positive photosensitive dry film, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5419306A (en) | 1979-02-14 |