JPS6275814A - デジタル時間差計測装置 - Google Patents
デジタル時間差計測装置Info
- Publication number
- JPS6275814A JPS6275814A JP60216554A JP21655485A JPS6275814A JP S6275814 A JPS6275814 A JP S6275814A JP 60216554 A JP60216554 A JP 60216554A JP 21655485 A JP21655485 A JP 21655485A JP S6275814 A JPS6275814 A JP S6275814A
- Authority
- JP
- Japan
- Prior art keywords
- counter
- pulses
- pulse
- circuit
- drum
- 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.)
- Pending
Links
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
- G11B15/4731—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads control of headwheel rotation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/4673—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/912—Pulse or frequency counter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/921—Timer or time delay means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Velocity Or Acceleration (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60216554A JPS6275814A (ja) | 1985-09-30 | 1985-09-30 | デジタル時間差計測装置 |
GB08623104A GB2181313B (en) | 1985-09-30 | 1986-09-25 | Digital time interval measuring apparatus |
US06/911,382 US4695781A (en) | 1985-09-30 | 1986-09-25 | Digital time interval measuring apparatus |
KR1019860008301A KR900002002B1 (ko) | 1985-09-30 | 1986-09-30 | 디지탈 시간차 계측장치 |
DE19863633280 DE3633280A1 (de) | 1985-09-30 | 1986-09-30 | Digitales zeitintervall-messgeraet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60216554A JPS6275814A (ja) | 1985-09-30 | 1985-09-30 | デジタル時間差計測装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6275814A true JPS6275814A (ja) | 1987-04-07 |
Family
ID=16690254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60216554A Pending JPS6275814A (ja) | 1985-09-30 | 1985-09-30 | デジタル時間差計測装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4695781A (en, 2012) |
JP (1) | JPS6275814A (en, 2012) |
KR (1) | KR900002002B1 (en, 2012) |
DE (1) | DE3633280A1 (en, 2012) |
GB (1) | GB2181313B (en, 2012) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2557842B2 (ja) * | 1986-03-31 | 1996-11-27 | 株式会社東芝 | 回転ヘツドの回転位相発生装置 |
KR900002608B1 (ko) * | 1986-05-22 | 1990-04-20 | 주식회사 금성사 | 브이티알의 자동트래킹장치 |
US4937780A (en) * | 1986-05-30 | 1990-06-26 | Bull Nh Information Systems, Inc. | Single instruction updating of processing time field using software invisible working registers |
JPS63241743A (ja) * | 1987-03-28 | 1988-10-07 | Toshiba Corp | 記録速度判別装置 |
JPH01128262A (ja) * | 1987-11-13 | 1989-05-19 | Teac Corp | デイスク装置 |
GB2247542B (en) * | 1990-08-31 | 1994-03-09 | Sony Broadcast & Communication | Video tape recorder speed control |
ATE122479T1 (de) * | 1990-11-13 | 1995-05-15 | Fraunhofer Ges Forschung | Telemetrie-periodendauer-messverfahren. |
DE4313780C1 (de) * | 1993-04-27 | 1994-07-28 | Daimler Benz Ag | Verfahren und Vorrichtung für die Zählung von Zeittaktimpulsen zur Periodendauermessung |
GB9404421D0 (en) * | 1994-03-08 | 1994-04-20 | Hewlett Packard Ltd | Methods and apparatus for controlling motion of recording media |
US6456959B1 (en) * | 1999-07-14 | 2002-09-24 | Guide Technology, Inc. | Time interval analyzer having parallel counters |
US6999382B2 (en) * | 2003-04-30 | 2006-02-14 | Guide Technology, Inc. | Signal splitting system and method for enhanced time measurement device operation |
US7453255B2 (en) * | 2003-11-20 | 2008-11-18 | Logicvision, Inc. | Circuit and method for measuring delay of high speed signals |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5433983A (en) * | 1977-08-22 | 1979-03-13 | Toshiba Corp | Digital servo device |
JPS5447610A (en) * | 1977-09-21 | 1979-04-14 | Toshiba Corp | Digital servo apparatus |
JPS57211612A (en) * | 1981-06-23 | 1982-12-25 | Sony Corp | Phase servo circuit |
CA1210149A (en) * | 1982-09-28 | 1986-08-19 | Shigeru Tajima | Digital capstan servo circuit |
DE3240891C2 (de) * | 1982-11-05 | 1984-11-15 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Zählschaltung zum Messen von Zeitintervallen |
US4626936A (en) * | 1984-04-30 | 1986-12-02 | Sansui Electric Co., Ltd. | Relative velocity control device for magnetic recording and reproducing apparatus |
-
1985
- 1985-09-30 JP JP60216554A patent/JPS6275814A/ja active Pending
-
1986
- 1986-09-25 US US06/911,382 patent/US4695781A/en not_active Expired - Fee Related
- 1986-09-25 GB GB08623104A patent/GB2181313B/en not_active Expired
- 1986-09-30 DE DE19863633280 patent/DE3633280A1/de active Granted
- 1986-09-30 KR KR1019860008301A patent/KR900002002B1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4695781A (en) | 1987-09-22 |
GB8623104D0 (en) | 1986-10-29 |
GB2181313B (en) | 1988-10-12 |
KR900002002B1 (ko) | 1990-03-31 |
DE3633280A1 (de) | 1987-04-09 |
DE3633280C2 (en, 2012) | 1991-10-24 |
KR870003486A (ko) | 1987-04-17 |
GB2181313A (en) | 1987-04-15 |
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