JPS5118401A - - Google Patents
Info
- Publication number
- JPS5118401A JPS5118401A JP50077053A JP7705375A JPS5118401A JP S5118401 A JPS5118401 A JP S5118401A JP 50077053 A JP50077053 A JP 50077053A JP 7705375 A JP7705375 A JP 7705375A JP S5118401 A JPS5118401 A JP S5118401A
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H03H7/27—Frequency- independent attenuators comprising a photo-electric element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30581672A | 1972-11-13 | 1972-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5118401A true JPS5118401A (xx) | 1976-02-14 |
Family
ID=23182473
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48126891A Pending JPS4996748A (xx) | 1972-11-13 | 1973-11-13 | |
JP50077053A Pending JPS5118401A (xx) | 1972-11-13 | 1975-06-24 | |
JP50077052A Pending JPS5195701A (xx) | 1972-11-13 | 1975-06-24 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48126891A Pending JPS4996748A (xx) | 1972-11-13 | 1973-11-13 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50077052A Pending JPS5195701A (xx) | 1972-11-13 | 1975-06-24 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3793521A (xx) |
JP (3) | JPS4996748A (xx) |
BR (1) | BR7308766D0 (xx) |
CA (1) | CA987010A (xx) |
DE (1) | DE2356668A1 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005021298A1 (de) * | 2005-05-09 | 2006-11-16 | Rohde & Schwarz Gmbh & Co. Kg | Optoelektronisch gesteuerter Schalter oder Modulator und Abschwächer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3573684A (en) * | 1969-02-28 | 1971-04-06 | Zenith Radio Corp | Tuner for a wave signal receiver |
-
1972
- 1972-11-13 US US00305816A patent/US3793521A/en not_active Expired - Lifetime
-
1973
- 1973-10-18 CA CA183,714A patent/CA987010A/en not_active Expired
- 1973-11-08 BR BR8766/73A patent/BR7308766D0/pt unknown
- 1973-11-13 JP JP48126891A patent/JPS4996748A/ja active Pending
- 1973-11-13 DE DE2356668A patent/DE2356668A1/de active Pending
-
1975
- 1975-06-24 JP JP50077053A patent/JPS5118401A/ja active Pending
- 1975-06-24 JP JP50077052A patent/JPS5195701A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2356668A1 (de) | 1974-05-16 |
CA987010A (en) | 1976-04-06 |
BR7308766D0 (pt) | 1974-08-29 |
JPS4996748A (xx) | 1974-09-12 |
US3793521A (en) | 1974-02-19 |
JPS5195701A (xx) | 1976-08-21 |