JPS5223591B2 - - Google Patents
Info
- Publication number
- JPS5223591B2 JPS5223591B2 JP47061523A JP6152372A JPS5223591B2 JP S5223591 B2 JPS5223591 B2 JP S5223591B2 JP 47061523 A JP47061523 A JP 47061523A JP 6152372 A JP6152372 A JP 6152372A JP S5223591 B2 JPS5223591 B2 JP S5223591B2
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/165—Spectrum analysis; Fourier analysis using filters
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Details Of Television Scanning (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47061523A JPS5223591B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-20 | 1972-06-20 | |
| US370674A US3868568A (en) | 1972-06-20 | 1973-06-18 | Spectrum analyzer |
| DE2331150A DE2331150C3 (de) | 1972-06-20 | 1973-06-19 | Frequenzanalysator |
| GB2919673A GB1420158A (en) | 1972-06-20 | 1973-06-20 | Spectrum analyser |
| NL7308552A NL7308552A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-20 | 1973-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47061523A JPS5223591B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-20 | 1972-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4922979A JPS4922979A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-28 |
| JPS5223591B2 true JPS5223591B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-06-25 |
Family
ID=13173526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47061523A Expired JPS5223591B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-20 | 1972-06-20 |
Country Status (5)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007423A (en) * | 1974-12-09 | 1977-02-08 | Intech Laboratories, Inc. | System and apparatus for electronic spectral analysis |
| JPS57177171U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1982-03-11 | 1982-11-09 | ||
| DE3220462C1 (de) * | 1982-05-29 | 1983-12-22 | Rohde & Schwarz GmbH & Co KG, 8000 München | Spektrumanalysator |
| US4471207A (en) * | 1983-05-10 | 1984-09-11 | Deep Ocean Engineering Incorporated | Apparatus and method for providing useful audio feedback to users of arc welding equipment |
| US6265861B1 (en) * | 1997-10-20 | 2001-07-24 | Advantest Corp. | Frequency spectrum analyzer with high C/N ratio |
| US6681191B1 (en) * | 1999-12-21 | 2004-01-20 | Tektronix, Inc. | Frequency domain analysis system for a time domain measurement instrument |
| CN1330965C (zh) * | 2005-06-24 | 2007-08-08 | 东南大学 | 一种基于有限状态机的示波器条件触发方法 |
| US20070027675A1 (en) * | 2005-07-26 | 2007-02-01 | Lecroy Corporation | Spectrum analyzer control in an oscilloscope |
| DE102006004841A1 (de) * | 2006-02-02 | 2007-08-16 | Rohde & Schwarz Gmbh & Co. Kg | Oszilloskop mit Frequenzversatz im Eingangsbereich |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3045233A (en) * | 1949-12-30 | 1962-07-17 | Itt | Frequency modulation radio altimeter |
| US3110861A (en) * | 1956-11-09 | 1963-11-12 | Hurvitz Hyman | Variable scan rate spectrum analyzer |
| US3643126A (en) * | 1970-03-04 | 1972-02-15 | Hewlett Packard Co | Frequency-measuring system utilizing means for momentarily stopping the variable frequency generator |
-
1972
- 1972-06-20 JP JP47061523A patent/JPS5223591B2/ja not_active Expired
-
1973
- 1973-06-18 US US370674A patent/US3868568A/en not_active Expired - Lifetime
- 1973-06-19 DE DE2331150A patent/DE2331150C3/de not_active Expired
- 1973-06-20 GB GB2919673A patent/GB1420158A/en not_active Expired
- 1973-06-20 NL NL7308552A patent/NL7308552A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3868568A (en) | 1975-02-25 |
| NL7308552A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-27 |
| DE2331150C3 (de) | 1979-06-28 |
| DE2331150A1 (de) | 1974-01-03 |
| GB1420158A (en) | 1976-01-07 |
| JPS4922979A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-28 |
| DE2331150B2 (de) | 1978-10-26 |