JPS59181785A - Character inserting system of video tape recorder - Google Patents
Character inserting system of video tape recorderInfo
- Publication number
- JPS59181785A JPS59181785A JP58054679A JP5467983A JPS59181785A JP S59181785 A JPS59181785 A JP S59181785A JP 58054679 A JP58054679 A JP 58054679A JP 5467983 A JP5467983 A JP 5467983A JP S59181785 A JPS59181785 A JP S59181785A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- numeral
- time
- recording
- 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
- 238000003780 insertion Methods 0.000 claims description 39
- 230000037431 insertion Effects 0.000 claims description 39
- 238000012966 insertion method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 239000013078 crystal Substances 0.000 abstract description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005236 sound signal 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
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/04—Magazines; Cassettes for webs or filaments
- G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
- G11B23/087—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
- G11B23/08707—Details
- G11B23/08714—Auxiliary features
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
- G11B27/3036—Time code signal
- G11B27/3045—Time code signal superimposed on the recorded main signal, e.g. burn-in-time code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
Abstract
Description
技術分野
・不発明は−ビデオテープレコーダ（以下ＶＴＲと略す
）のＴＶ画面への文字挿入方式番こ関する。
従来技術
ＶＴＲ４こ文字発生挿入回路を設け、この文字発生挿入
回路の動作がＶＴＲの電源を遮断しても停止しないよう
にして、使用時ζこＶＴＲの電源をオン状態とすれば、
改めて月日等を設定する必要なく必要に応じて記録時の
年月日時分等をＴＶ画面へ挿入できるようにした文字挿
入方式か本願と同じ出願人によって出願されている。
この従来の文字挿入方式でＣま、操作者が、記録時に手
動のスイッチ操作番こより文字挿入のυトｊ始および中
止を設定する必要がある。そのため、操作者が記録時に
文字挿入を忘れたり−あるいは挿入Ｆ？開始したまま記
録終了時点まで文字挿入を中止することを忘れて必要以
上に文字を挿入してしまい記録画像を見すらくするとい
った不都合が生じる可能性がある。また、タイマー機構
を設けて、留守記録等を行なう場合には文字を挿入する
ことができない。
発明の目的
不発明の目的は、従来の文字挿入方式にみられル上述（
／Ｊ 種々の欠、Ｑを除去しで、タイマー機構による留
守記録等も含めて記録時に、操作者が手動番ごてスイッ
チ操作しなくても、必要番こ応じて記録時点の年月日時
分等の日時情報が適切な表示時間でもつでＴＶ画面へ自
動的に挿入される文字挿入方式を提供することにある。
構成
この発明の構成について、以下、一実施例に基づいて説
明する。
第１図は、この発明のＴＶ画面への文字挿入方式による
文字発生挿入回路およびＶＴＲの全体構成の概要ブロッ
ク図である。図面において、１はテレビアンテナ、２ｉ
ｆＶＴＲであって、２１はチューナー、２２ｈｓビテオ
系信号処埠部で、２３はオーディオ系信号処理部で、２
４ＣまＲＦコンバータ、３はテレビ受像機、４は文字発
生挿入回路を示す。
＼７ＴＲは、テレビアンテナ１とテレビ受像機３との間
へ接続される。民生用のいわゆゐホームビ、デオでは、
記録帯域を節減するためｌこ−チューナー２１によって
低い周波数の搬送色信号に変換されて、ＦＭ変調され１
こ輝度信号と重畳されて磁気テープのビデオトラックへ
記録される。
ま１こ、オーディオ系も一同様にオーディオトラックへ
記録される。
再生時ｌこは−ビテ万系とオーディオ系かそれぞれヘッ
ドで読取られで、ＲＦコンバータ２４へ与えられ、テレ
ビ受像４そく３によりＴＶ画面に表示さオする。
この場合に、日付けや時刻等の文字や数字を発生する文
字発生挿入回路４０Ｊ出力をビデオ系信号処理部２２の
入力側へ与えれば、合成され１こビデオ信号としτビデ
オトラックへ記録される。そして、再生時には、テレビ
受像機３のＴＶ画面へ日付けや時刻が挿入され１こ表示
が得ら第１る。
第１図において、４］〜４１０は文字発生挿入■］路４
を構成する各部で、４１はクロック発振器、４２はカウ
ンタ、４３８ま数字ｖ 換ｓ、４４＋１ＬＣＤ等の表示
装置、４５はタイマー回路、４６ｉゴ同期分離回路、４
７は数字作成回路、４８は文字挿入回路、４９は切換信
号発生国１路、４１０は挿入時間設定回路、５けＶＴＲ
ＴＲ電体電源部し、またＥは電源用電池、ＳＷｌはビデ
オカメラの出力信号とＴＶ信号とを選択するヌイツチ、
ＳＷ２は手動により文字の挿入と非挿入とを切換えるヌ
イツチー ｓｗ３はＶＴＲの電源ヌイツチー ｓｗ４は
挿入文字の種類を手動により切換えるヌイソチである。
」二段のクロック発振器４１刀）らタイマー回路４５ま
では、クロック部を構成しており、これらは電池Ｅによ
って常時駆動さねている。
水晶振動子等で制御されるクロック発振器４１カ）らの
クロックは一カウンタ４２へ与えられてカウントされる
。カウント４２の内容は−例えば７セグメントの数字変
換を行う数字変換部４３により変換されて、ＬＣＤ等の
表示素子で構成される表示装置４４へ表示される。
ＴＶ画面への文字挿入には、表示装置４４は必すしも必
要ではないが、この表示装置４４を設けておけば一時計
として使用することができる。
これらのクロック部は、０ＭＯ５ＩＣとＬＣＤ素子との
絹合せで構成することができ、電池Ｅの寿命も２〜３年
間は持続可能である。
−力、ＴＶ画面へ日付けや日時等の文字や数字を挿入す
るために、同期分離回路４６は、入力されるビデオ信号
力・ら同期信号を分廂１し、この同期信七を基準にして
、鉱字作成回路４７で表示装置４４と同じ数字のビテオ
信り″を作成する。そ（／Ｊために、数字変換部４３の
出力が、こσ）数字作成回路４７へも与えられている。
数字作成回路４７で作成された数字パターンのビデオ信
号は一文字挿入回路４８へ与えらね、ここでビデオカメ
ラやＴＶ信号のビデオ信号と合成される。
同期分離回路４６と数字作成回路４７、文字挿入回路４
８は、Ｖ Ｔ Ｒ不休と同じＶＴＲＴＲ電体電源部５ｉ
って駆動されゐ。
次に一文字挿入自動設定のための回路について述へる。
文字の挿入時間７？電圧を自力［」シでいる時間間隔シ
こより設定する挿入時間設定回路４１０は、保護ダイオ
ードＤ１を介して文字挿入回路４８および直接的にタイ
マー回路４５と接続されている。また、挿入文字の種類
を切換えろ信号を出力する切換信号発生回路４９は、保
護ダイオードＤ２を介して数字変換部４３と接続されて
いる。さらに、切換信号発生回路４９は、電圧を印加さ
れるように上記挿入時ｍ１設定回路４１０と接続されて
いる。
上述の文字挿入自動設定のための回路が用いられるＬ
合一 Ｂ２図に示すようなタイムチャート番こて信号が
出力され、以下のようにして文字挿入が行なわれる。
記録開始終了時刻が設定されたタイマー回路４５は、絶
えず数字変換部４３カ）ら時刻に関する数字パターンを
入力されており、また、ＶＴＲ２の記録装置と接続され
ている〔不図示）。上記数字パＪ−ンが記録開始設定時
刻と一致すると、あるいは操作者が記録動作を開始する
と、タイマー回路４５は、オン信＠を挿入時間設定回路
４】０お。
よび数字変換部４３へ送出する。
この信号を入力された挿入時間設定回路４１０は、所定
の文字挿入設定時間The technical field/uninvention relates to a method for inserting characters onto a TV screen of a video tape recorder (hereinafter abbreviated as VTR). If a character generation/insertion circuit is provided in a conventional VTR, and the operation of this character generation/insertion circuit is not stopped even if the power to the VTR is cut off, and the power to the VTR is turned on during use,
An application has been filed by the same applicant as the present application for a character insertion method that allows the year, month, day, hour, and minute of recording to be inserted into the TV screen as needed without having to set the month, date, etc. again. With this conventional character insertion method, the operator is required to manually set the start and stop of character insertion by operating a switch at the time of recording. Therefore, the operator may forget to insert a character when recording - or insert F? If the user forgets to stop character insertion until the end of recording after it has started, the user may end up inserting more characters than necessary, which may cause problems such as making the recorded image difficult to read. Further, when a timer mechanism is provided to record absences, characters cannot be inserted. Purpose of the Invention The purpose of the invention is as described above (see above) in the conventional character insertion method.
/J Eliminates various omissions and Qs, and when recording, including absence records using a timer mechanism, the operator can record the year, month, day, hour, and minute of the recording time according to the necessary number, without having to operate the manual switch. An object of the present invention is to provide a character insertion method in which date and time information such as, etc., is automatically inserted into a TV screen at an appropriate display time. Configuration The configuration of the present invention will be described below based on one embodiment. FIG. 1 is a schematic block diagram of the overall configuration of a character generation/insertion circuit and a VTR according to the method of inserting characters into a TV screen according to the present invention. In the drawing, 1 is a TV antenna, 2i
fVTR, 21 is a tuner, 22 is a video system signal processing section, 23 is an audio system signal processing section, 2
4C or RF converter, 3 a television receiver, and 4 a character generation/insertion circuit. \7TR is connected between the television antenna 1 and the television receiver 3. In the so-called home video for consumer use,
In order to save the recording band, the tuner 21 converts the signal into a low frequency carrier color signal, which is then FM modulated.
This signal is superimposed with the luminance signal and recorded on the video track of the magnetic tape. Also, the audio system is recorded on the audio track in the same way. During playback, the video and audio signals are read by respective heads, applied to the RF converter 24, and displayed on the TV screen by the TV receiver 4 and 3. In this case, if the output of the character generation/insertion circuit 40J that generates characters and numbers such as date and time is given to the input side of the video signal processing section 22, it will be synthesized and recorded as a single video signal on the τ video track. . Then, during playback, the date and time are inserted into the TV screen of the television receiver 3 and a single display is obtained. In Figure 1, 4] to 410 are character occurrence insertion ■] path 4
41 is a clock oscillator, 42 is a counter, 438 is a numeric converter, 44+1 is a display device such as an LCD, 45 is a timer circuit, 46 is a synchronization separation circuit, 4
7 is a number creation circuit, 48 is a character insertion circuit, 49 is a switching signal generation country 1 route, 410 is an insertion time setting circuit, 5-digit VTR
TR electric body power supply section, E is a battery for power supply, SWl is a switch for selecting the output signal of the video camera and the TV signal,
SW2 is a switch for manually switching between insertion and non-insertion of characters. SW3 is a switch for power supply of the VTR. SW4 is a switch for manually switching the type of characters to be inserted. The two-stage clock oscillator 41) and the timer circuit 45 constitute a clock section, and are constantly driven by the battery E. A clock from a clock oscillator 41 controlled by a crystal oscillator or the like is applied to a counter 42 and counted. The contents of the count 42 are converted by a number conversion section 43 that converts, for example, seven segments of numbers, and are displayed on a display device 44 comprising a display element such as an LCD. Although the display device 44 is not necessarily required for inserting characters into the TV screen, if the display device 44 is provided, it can be used as a clock. These clock parts can be constructed by combining an 0MO5IC and an LCD element, and the life of the battery E can be maintained for 2 to 3 years. - In order to insert characters and numbers such as the date and time on the TV screen, the synchronization separation circuit 46 separates the synchronization signal from the input video signal and uses this synchronization signal as a reference. Then, the character creation circuit 47 creates a video code with the same number as the display device 44. Therefore, the output of the number conversion section 43 is also given to the number creation circuit 47. The video signal of the number pattern created by the number creation circuit 47 is not given to the single character insertion circuit 48, where it is combined with the video signal of the video camera or TV signal.The sync separation circuit 46 and the number creation circuit 47, Character insertion circuit 4
8 is the same VTRTR electric power supply unit 5i as the VTR
It's driven. Next, a circuit for automatically setting one character insertion will be described. Character insertion time 7? An insertion time setting circuit 410, which sets the time interval during which the voltage remains unrestrained, is connected to the character insertion circuit 48 and directly to the timer circuit 45 via a protection diode D1. Further, a switching signal generating circuit 49 that outputs a signal to switch the type of inserted character is connected to the number conversion section 43 via a protection diode D2. Further, the switching signal generating circuit 49 is connected to the insertion m1 setting circuit 410 so that a voltage is applied thereto. L where the circuit for automatic setting of character insertion described above is used.
Merging A time chart number signal as shown in Figure B2 is output, and characters are inserted as follows. The timer circuit 45, in which the recording start and end times are set, is constantly inputted with a number pattern related to time from the number converter 43), and is also connected to the recording device of the VTR 2 (not shown). When the number pattern matches the set recording start time, or when the operator starts the recording operation, the timer circuit 45 inserts an ON signal @ time setting circuit 4]0. and sends it to the number conversion section 43. The insertion time setting circuit 410, which receives this signal, sets a predetermined character insertion setting time.
【１の間、ハイレベル信号を文字挿
入回路４８および切換信号発生回路４９へ印かする。
また、前記オン信号を入力された数字変換部４３は、オ
ン信号入力時点のカウンタ４２の出力を年月日時分を示
す数字パターンに変換して、そのうち年月日の数字パタ
ーンを数字作成回路４７へ送出し、この数字パターンは
、数字作成日＃Ｊ４７にてビデオ信号に変換され、さら
１ｔｌｒ文手挿入回路４８へ送出される。
文字挿入回路４８は、上にハイレベル信８をｎｍされて
いる間、上記ビデオ信号を記録画像ビデオ信号とともに
ビデオ系信号処用；部へ送出し続ける。その結果数字作
成回路４７カ）ら送出されたビデオ信号は、」二記ハイ
レベル信号が印刀目されてぃＪ−合成ビデオ信号として
ビテ第１−ラックへ記録される。
まｆこ、上記ハイレベル信号を印乃［コされｆこ切換信
号発生回路４９ｉま、信号を印乃［１された後所定の設
定時間Ｌ２が経過すると、切換借上をむ字変換部４３へ
送出する。
この切換信号を入力され１こ数字変換部４３は。
年月日に代ってオン信号入方時虞の日時分番こ関すル数
字ハターンを数字作成回路４７へ送出する。
その結果、ビテオ系信号処堆部２２へは年月日の代わり
に日時分りこ関するビデオ信号が入力さ、ｌ−する。
オン信号入力時点より時間ｔ］経過後に、挿入時間設定
回路４１０がハイレベル信号を零にすると・文字挿入回
路４８は上記ビデオ信号の送出を中止し、ま１こ切換信
号発生回路４９は、リセット信号を数字変換回路４３へ
送出して、数字変換回路４３をオン信号入力前の状態シ
こリセットする。
タイマー回路４５は、数字変換部４３力）ら入力されて
いる数字パターンが記録終了設定時刻と一致すると、オ
フ信号を出力して記録動作を停止させる。
以上の動作シこより−たとえば【］を２２０秒【２を１
０秒と設定して−さらにタイマー回路４５の記録開始時
刻なｒ１９８３年１月１０８１２時３４分」と設定して
ＴＶ番糾の留守記録を行なった場合には、あるいは上記
年月日時分に操作者が記録動作を開始した場合シこげ、
この磁気テープを再生すると、ＴＶ画面の隅には、最初
の１０秒間にｒ１９８３年１月１０日」と表示され、次
の】０秒間に「１０日１２時３４分」と表示される。し
たがって、操作者は、磁気テーブゼ］作時に自動的ｔこ
適切な表示時間でもって記録イー１−月田ｊＪｊ／Ｉ）
を確認することができる。
なお、切換信号発生回路４９および挿入時間設定回路４
】０は、電池Ｅて、駆動されでよい。
また、第２図に示すように、電池Ｅの正極側から保護抵
抗Ｒ１−押ボタンヌイッチＳＷ２、保許ダイオードＤ３
を介して数字挿入回路４８まで接続された回路を形成す
ることによって、手動にて文字挿入を行なうことができ
る。即ち、手動６ごてスイッチｓＷ２が押されている間
、電池Ｅと数字挿入回路４８とが通電して、ハイレベル
信号が数字挿入回路４８へ印刃口さね了−ビチオ信−８
が送出される。
さらに、電４池Ｅの正極側から保護抵抗Ｒ２、押ボタン
スイッチＳＷ４、検校ダイオードＤ４＆介して数字変換
部４３まで接続さｔｌｆこ回路におい了、スイッチＳＷ
４が手動にて瞬間的ｔこ押されると、切換信号が電池Ｅ
から数字変換部４３へ年月日されるので、ヌイツチＳＷ
４の操作により、任意時点に挿入文字の種類の切換を行
なうことができる。
発明の効果
以上に詳述したように一不発明によれば、記録動作が開
始されることに日時情報が一定の時間たけ自動曲番こ記
録されるので、記録時に文字を挿入する煩わしさから解
放されるとと杜に、留守記録時においても、８１侍が記
録され、磁気テープ再生時に適切な表示にで記録時点等
を確認することができる。During [1], a high level signal is applied to the character insertion circuit 48 and the switching signal generation circuit 49. In addition, the number converter 43 to which the ON signal is input converts the output of the counter 42 at the time of input of the ON signal into a number pattern indicating the year, month, day, hour, and minute, and converts the number pattern of the year, month, and day into the number generation circuit 47. This number pattern is converted into a video signal on the number creation date #J47, and is further sent to the 1tlr handwriting insertion circuit 48. The character insertion circuit 48 continues to send the video signal to the video system signal processing section together with the recorded image video signal while receiving the high level signal 8 above. As a result, the video signal sent out from the number generating circuit 47 is recorded on the first rack as a composite video signal with the high level signal marked as "2". When a predetermined set time L2 elapses after the signal is input to the switching signal generating circuit 49i, the switching signal converting section 43 Send to. This switching signal is input to the digit conversion section 43. Instead of the year, month, and day, a numeric character corresponding to the date, hour, and minute number of the time when the ON signal is received is sent to the number generation circuit 47. As a result, a video signal relating to the date and time is input to the video signal processing section 22 instead of the date and time. When the insertion time setting circuit 410 makes the high-level signal zero after the time t has elapsed since the ON signal was input, the character insertion circuit 48 stops sending out the video signal, and the switching signal generation circuit 49 resets. The signal is sent to the number conversion circuit 43 to reset the number conversion circuit 43 to the state before the ON signal was input. The timer circuit 45 outputs an off signal to stop the recording operation when the number pattern input from the number conversion section 43 matches the set recording end time. From the above operation - for example, [] for 220 seconds [2 to 1]
If you set the timer circuit 45 to 0 seconds and then set the recording start time of the timer circuit 45 to ``January 1983, 10812:34'' to record the absence of the TV program, or perform the operation on the above date, time, and minute. If the person starts the recording operation, it will burn.
When this magnetic tape is played back, in the corner of the TV screen, in the first 10 seconds, ``r January 10, 1983'' is displayed, and in the next 0 seconds, ``10th, 12:34'' is displayed. Therefore, when operating the magnetic tape, the operator automatically records the data with an appropriate display time.
can be confirmed. Note that the switching signal generation circuit 49 and the insertion time setting circuit 4
]0 may be powered by battery E. In addition, as shown in FIG.
By forming a circuit connected to the number insertion circuit 48 through the numeral insertion circuit 48, manual character insertion can be performed. That is, while the manual switch sW2 is pressed, the battery E and the number insertion circuit 48 are energized, and a high level signal is sent to the number insertion circuit 48.
is sent. Furthermore, the circuit is connected from the positive terminal side of the battery E to the numeric converter 43 via the protective resistor R2, the pushbutton switch SW4, the calibration diode D4, and the switch SW.
When 4 is momentarily pressed manually, a switching signal is output from battery E.
Since the date is input to the number conversion unit 43, the Nuittsu SW
By the operation 4, the type of inserted character can be switched at any time. Effects of the Invention As detailed above, according to one aspect of the invention, the date and time information is automatically recorded for a certain period of time when the recording operation starts, which eliminates the hassle of inserting characters during recording. Once released, the 81 Samurai will be recorded even when the person is away from home, and the time of recording can be confirmed on the appropriate display when playing back the magnetic tape.
第１図は、本発明の一実施例を示す文字発生挿入回路お
よびこの回路のＶＴＲ内での位買を示すＶＴＲのブロッ
ク図である。
第２図は、タイマー回路、挿入時間設定回路および切換
信号発生回路の出力信号のタイムチャートを示す線図で
ある。
４】・・・クロック発振器−４２・・・カウンタ、４３
・・・数字変換部、４５・・・タイマー回路、４６・・
同期分離回路、４７・・・数字作成回路−４８・・・文
字挿入回路、４９・・・切換信号発生回路、４１０・・
・挿入時間設定回路、Ｅ・・・電源用電池、Ｓｗｌ・・
・ヌイソチ。
特許出願人 株式会社 リコーFIG. 1 is a block diagram of a VTR showing a character generation/insertion circuit according to an embodiment of the present invention and the arrangement of this circuit within the VTR. FIG. 2 is a diagram showing a time chart of output signals of the timer circuit, the insertion time setting circuit, and the switching signal generation circuit. 4]...Clock oscillator-42...Counter, 43
...Number conversion section, 45...Timer circuit, 46...
Synchronous separation circuit, 47...Number creation circuit-48...Character insertion circuit, 49...Switching signal generation circuit, 410...
・Insertion time setting circuit, E...power supply battery, Swl...
・Nuisochi. Patent applicant Ricoh Co., Ltd.
Claims (1)
出力する文字挿入開始信号出力手段と、記録動作の開始
から一定の時間を計時す６計時手段と、日時情報発生手
段とを備え−ビデオテープの記録開始毎に一定時間、日
時情報を記録媒体に記録することを特徴とするビデオテ
ープレコーダの文字挿入方式。(]) Comprising a character insertion start signal output means for outputting a character insertion start signal at the start of an image recording operation, a clock means for measuring a certain period of time from the start of the recording operation, and a date and time information generation means. A character insertion method for a video tape recorder, characterized in that date and time information is recorded on a recording medium for a fixed period of time each time recording of a video tape is started.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58054679A JPS59181785A (en) | 1983-03-30 | 1983-03-30 | Character inserting system of video tape recorder |
| GB08319342A GB2124056B (en) | 1982-07-19 | 1983-07-18 | Video tape recorder |
| DE19833325987 DE3325987A1 (en) | 1982-07-19 | 1983-07-19 | SYSTEM FOR A VIDEO TAPE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58054679A JPS59181785A (en) | 1983-03-30 | 1983-03-30 | Character inserting system of video tape recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59181785A true JPS59181785A (en) | 1984-10-16 |
Family
ID=12977471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58054679A Pending JPS59181785A (en) | 1982-07-19 | 1983-03-30 | Character inserting system of video tape recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59181785A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63164882U (en) * | 1987-04-16 | 1988-10-27 | ||
| JPH01205750A (en) * | 1988-02-10 | 1989-08-18 | Sanyo Electric Co Ltd | Reserving device |
| JPH05167971A (en) * | 1991-12-12 | 1993-07-02 | Matsushita Electric Ind Co Ltd | Optical disk and method for transmitting video using the same |
-
1983
- 1983-03-30 JP JP58054679A patent/JPS59181785A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63164882U (en) * | 1987-04-16 | 1988-10-27 | ||
| JPH01205750A (en) * | 1988-02-10 | 1989-08-18 | Sanyo Electric Co Ltd | Reserving device |
| JPH05167971A (en) * | 1991-12-12 | 1993-07-02 | Matsushita Electric Ind Co Ltd | Optical disk and method for transmitting video using the same |
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