JP2007265553A - Device and method for controlling continuous operation of tape recorder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device and a method for controlling the continuous operation of a tape recorder, capable of accurately carrying out continuous recording without any breaks or wastes of a tape by remote control even when a double cassette deck inhibited to output any operation state signal. <P>SOLUTION: This device is provided with a double cassette deck and a controller for controlling its operation. The cassette deck is provided with a first cassette tape driving part for recording in a first cassette tape, and a second cassette tape driving part for recording in a second cassette tape. The controller is provided with a setting part for setting the recordable time of a cassette tape loaded in the cassette deck, a timer for clocking time from operation start time, an operation start command part for causing one cassette tape driving part of the cassette deck to start its operation, and a cassette tape driving part switching command part for causing the other cassette tape driving part to start its operation when the recordable time of the cassette tape in the middle of recording becomes shorter than predetermined time. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a continuous operation control device and a continuous operation control method for a tape recorder that uses a double cassette deck, and the double cassette deck cannot obtain the tape status as a signal. The device enables continuous recording control.

  In order to record a conference over a long period of time on a cassette tape, a single cassette tape does not have enough recording time, so a double cassette deck is used for continuous recording. FIG. 7 is a conceptual diagram of a double cassette deck. In FIG. 7, a double cassette deck 10 is loaded with a first cassette tape 11 which can be loaded and recorded on a first cassette tape, and loaded with a second cassette tape and recorded on this. The second cassette tape drive unit 12 is provided. The first and second cassette tape drive units 11 and 12 can individually perform recording, reproduction, fast forward, rewind, stop and pause operations. When recording continuously over a long period of time, the first and second cassette tape drive units 11 and 12 are loaded with the first and second cassette tapes, respectively, set to the continuous recording mode, and recording is started. .

  By the recording start operation, first, the first cassette tape drive unit 11 is driven in the forward direction, and recording is performed on the A surface of the first cassette tape. When the tape end detection device in the first cassette tape drive unit 11 detects the end of the first cassette tape, the second cassette tape drive unit 12 is driven in the forward direction to record on the A side of the second cassette tape. To do. When the tape end detection device in the second cassette tape drive unit 12 detects the end of the second cassette tape, the first cassette tape drive unit 11 is driven in the reverse direction to record on the B side of the first cassette tape. To do. When the tape end detection device in the first cassette tape drive unit 11 detects the end of the first cassette tape, the second cassette tape drive unit 12 is driven in the reverse direction to record on the B side of the second cassette tape. To do. In this way, recording is performed in the order of A side of the first cassette tape → A side of the second cassette tape → B side of the first cassette tape → B side of the second cassette tape. As such a double cassette deck continuous recording apparatus, there are inventions described in Patent Document 1, Patent Document 2, Patent Document 3, Patent Document 4, Patent Document 5, and the like.

Japanese Utility Model Publication No. 62-26635 JP 60-1638 A Japanese Utility Model Publication No. 5-15136 JP-A-63-31051

  According to the invention described in each of the above patent documents, the recording operation is performed up to the end of one tape, and the recording operation is performed on the other tape by detecting the end. In some cases, the recording is temporarily interrupted. Even if there is no lead tape, recording temporarily stops due to an operation delay when switching the operation of one cassette tape drive unit to the other cassette tape drive unit.

  Further, if the operator operates the double cassette deck by the side, continuous recording as described above can be performed. However, for example, in a conference hall, when the first and second cassette tape drive units are continuously driven by the double cassette deck to continuously record on the first and second cassette tapes, a control device such as a personal computer is used. It may be necessary to control the double cassette deck remotely. To record continuously by remotely controlling the double cassette deck with the control device, the tape that the double cassette deck is recording on which cassette tape is A side or B side, and how much of the tape is recorded. It is necessary to always grasp the state of the tape and send a signal representing the state of these tapes to the control device. Based on these signals, the control device selects either the first cassette tape drive unit or the second cassette tape drive unit for the double cassette deck, and further, the A side or B side of the cassette tape. By selecting one of these and sending a control command, the operation of the double cassette deck can be controlled as intended.

  However, some double cassette decks cannot grasp the state of the tape and cannot output a signal indicating the state. In order to remotely control such a double cassette deck by the control device, the operation of the first and second cassette tape driving units and the time being counted by the control device while counting on the recording time determined by the cassette tape, It is conceivable to control the stop. In order to prevent temporary recording interruption when switching the recording operation between the first and second cassette tape driving units, the first and second cassette tape driving units are switched prior to switching of the recording operation. It is advisable to provide a period in which both are driven and overlapped on the first and second cassette tapes.

  FIG. 8 shows an image of a case where such continuous recording by the double cassette deck is normally performed. By the recording start operation, first, the first cassette tape drive unit 11 is driven in the forward direction to record on the A side of the first cassette tape and to measure the recording time. When the recording time of the first cassette tape is short, for example, when the remaining time is 5 minutes or less, the second cassette tape drive unit 12 is driven in the forward direction and recording is performed on the A side of the second cassette tape. Meanwhile, the first cassette tape drive unit 11 continues recording until the A side of the first cassette tape reaches the end. Therefore, recording is performed on both the first and second cassette tapes for, for example, about 5 minutes. When the recordable time on the A side of the second cassette tape becomes, for example, 5 minutes or less, the first cassette tape drive unit 11 is driven in the reverse direction to record on the B side of the first cassette tape. The second cassette tape drive unit 12 continues recording until the A side of the second cassette tape reaches the end. When the recordable time on the B side of the first cassette tape becomes, for example, 5 minutes or less, the second cassette tape drive unit 12 is driven in the reverse direction to record on the B side of the second cassette tape. In this way, each time the tape is switched, there is an area that is recorded on both the first and second cassette tapes for about 5 minutes, for example.

  However, there is an error between the recording time indicated on the cassette tape and the actual recording time, and there is a variation in the time of overlapping with the next cassette tape to be continuously recorded. FIG. 9 is an image of this variation, and shows the time over which the portion with parallel diagonal lines is overlaid, and shows that there is a difference in the time for each overprint.

  If there is a difference in the overlap time, if the overlap time is long, the tape will be wasted and the total recording time will be shortened. Conversely, the overlap time will be lost and the recording will be interrupted. There can be. In addition, if there is a difference in the overlap time, the following problems may occur when a recording restart command is issued after recording is temporarily stopped. When recording in continuous recording mode, if a pause command is issued from the control unit and the double cassette deck is paused, and then a recording resume command is issued, the tape deck at which the pause command was issued It is necessary to grasp the state of recording and resume recording in that state. However, since the double cassette deck assumed by the present invention cannot output a status signal, it is not possible to know which cassette tape drive unit should be operated in which direction by a recording restart command. In particular, when both the first and second cassette tape drive units are operating and are temporarily overlaid on the first and second cassette tapes, the cassette tape drive unit is turned on by the recording resumption command. I don't know which direction to operate, ie, forward or reverse. As described above, when there is a difference in the time of overlap, and the time of overlap is cumulatively increased, the chance of confusion as to which cassette tape drive unit should be operated increases.

The present invention has been made to solve the above-described problems of the prior art, and even a double cassette deck that cannot output an operation state signal is recorded remotely by a control device. It is an object of the present invention to provide a continuous operation control device and a continuous operation control method for a tape recorder that can perform continuous recording accurately without interruption of the tape and without waste of the tape.
The present invention also provides a continuous tape recorder that can operate normally as planned according to the command without being confused even if a pause command is issued from the control device in any operating state and a restart command is issued. An object is to provide an operation control device and a continuous operation control method.

The present invention includes a double cassette deck and a control device for controlling the operation of the double cassette deck. The double cassette deck is loaded with a first cassette tape and can record on the first cassette tape drive unit. And a second cassette tape drive unit that can load and record the second cassette tape, and the control device is a tape that presets the recordable time of the cassette tape loaded in the double cassette deck A recordable time setting unit, a timer for measuring the time from the start of operation, an operation start command unit for starting operation of one cassette tape drive unit of the double cassette deck, and a recordable time of the cassette tape being recorded are predetermined. Cassette tape drive switching command to start operation of the other cassette tape drive when time is less If the provided, first, second cassette tape drive unit is together with the most important feature that there is a state of being driven.
The control device further includes a pause command unit that pauses the operation of the double cassette deck, and a restart command unit that resumes the operation of the double cassette deck that has been paused, and pauses the timing operation of the timer by the pause command. It is good to comprise so that the time measuring operation of a timer may be restarted by a restart command.

  The cassette tape recordable time setting section on the control device side sets the cassette tape recordable time, and one cassette tape drive section of the double cassette deck is started in response to a command from the operation start command section on the control device side. When the recordable time of the cassette tape being recorded becomes shorter than the predetermined time, the operation of the other cassette tape drive unit is started by a command from the cassette tape drive unit switching command unit on the control device side. One cassette tape drive unit continues the recording operation together with the other cassette tape drive unit, and when one cassette tape reaches the end, the one cassette tape drive unit stops operating. Similarly, when the recordable time of the other cassette tape becomes shorter than the predetermined time, the one cassette tape drive unit also starts its operation. Thus, when the tape drive is switched between the first and second cassette tape drive units, there is a state in which the first and second cassette tape drive units are both driven, so that recording is not interrupted. Absent. The control device sets the recordable time of the cassette tape to be used in advance, and operates the other cassette tape drive unit when the recordable time of the cassette tape becomes less than the predetermined time while measuring with a timer. Even if it is a double cassette deck of the type that cannot output a recording status signal, it can be operated remotely by the control device and can be recorded using cassette tape without waste Can be secured for a long time.

Embodiments of a continuous operation control device and continuous operation control method for a tape recorder according to the present invention will be described below with reference to the drawings.
FIG. 2 schematically shows an embodiment of the present invention. The double cassette deck 10 can be remotely controlled continuously by a control device comprising a personal computer (hereinafter referred to as “PC”) 20. It is configured. As with the conventional double cassette deck shown in FIG. 7, the double cassette deck 10 is loaded with a first cassette tape 11 that can be loaded and recorded on the first cassette tape, and a second cassette tape. A second cassette tape drive unit 12 that can be loaded and recorded thereon is provided. The first and second cassette tape drive units 11 and 12 can individually perform recording, reproduction, fast forward, rewind, stop and pause operations. When recording continuously for a long time, the first and second cassette tape drive units 11 and 12 are loaded with the first and second cassette tapes, respectively, and recording is started by a command from the personal computer 20. It has become. The double cassette deck 10 outputs a status signal indicating which of the first and second cassette tape driving units 11 and 12 is operating, and to what extent the cassette tapes A and B are recorded. This type of deck cannot be used. Therefore, the personal computer 20 as a control device includes a tape recordable time setting unit for presetting the recordable time of the cassette tape to be used, and a timer for measuring the time from the start of the operation. While measuring, the operation of the first and second cassette tape drive units 11 and 12 is controlled while comparing the measured value of the timer with the recordable time of the cassette tape set by the tape recordable time setting unit. It is configured.

  FIG. 1 shows an example of control operation of the double cassette deck 10 by the control device 20. Each operation step is represented as “S1,” “S2,” “S3,”. The recordable time of the first and second cassette tapes to be used is an example of 30 minutes on one side, and when recording is switched from one cassette tape to the other cassette tape, it is overlaid on both cassette tapes. The overlap time is set to 5 minutes. The circled number “1” indicates the first cassette tape, and the circled number “2” indicates the second cassette tape. “A” indicates the first surface of the cassette tape, that is, the recording surface in the forward direction, and “B” indicates the second surface of the cassette tape, that is, the recording surface in the reverse direction. Both the first and second cassette tape driving units are set to the recording / reproducing mode, and are in a pause state, that is, a pause state, for example. “N” is the number of times the recording surface of the tape is switched, and n = 0 at the beginning of recording.

  In FIG. 1, when a recording start command is issued from the personal computer 20, the first cassette tape drive unit 11 is driven in the forward direction, and recording is started on the A side of the first cassette tape (S2). At 20, the timer starts. When the time count by the timer is 25 minutes, and therefore the remaining recordable time on the first cassette tape A side becomes 5 minutes or less, a recording start command is issued to the A side of the second cassette tape, and the second cassette tape Recording on the A side of the tape is started (S5). Accordingly, the first and second cassette tape driving units 11 and 12 are both driven, and the same sound is recorded on the A surface of the first and second cassette tapes. When the overlap is performed for 5 minutes, the A side of the first cassette tape reaches the end, the first cassette tape drive unit 11 is switched, and a recording command in the reverse direction is awaited.

  When 25 minutes have elapsed from the start of recording on the A side of the second cassette tape, and accordingly when the time measured by the timer from the beginning of recording has passed 50 minutes, the B side of the first cassette tape is moved to B side. The recording start command is issued and recording on the first cassette tape B surface is started (S8). The recording time on the second cassette tape A surface remains for 5 minutes, and the recording on the second cassette tape A surface and the recording on the first cassette tape B surface are repeated for 5 minutes.

  When 25 minutes have elapsed from the start of recording on the first cassette tape B surface, and accordingly, when 75 minutes have elapsed from the beginning of recording, recording on the second cassette tape B surface has started. A start command is issued, and recording on the second cassette tape B surface is started (S11). The recording time on the first cassette tape B surface remains for 5 minutes, and the recording on the first cassette tape B surface and the recording on the second cassette tape B surface are repeated for 5 minutes.

  The time for recording alone on the second cassette tape B surface is also 25 minutes, and when this 25 minutes have elapsed, therefore, when the time measured by the timer from the beginning of recording has elapsed 100 minutes, the first cassette A recording start command is issued to the tape A surface (S17). However, since the first cassette tape A side has already been recorded, a warning for prompting replacement of the first cassette tape is issued after recording on the second cassette tape B side is started (S13). If the first cassette tape is exchanged during recording on the second cassette tape B surface, the warning is canceled. If the warning is released, the process proceeds to step S17. If the first cassette tape is not exchanged and the warning is still issued, recording to the second cassette tape is paused (S16) without proceeding to step S17, and the warning is released. wait.

  When the recording on the first cassette tape A side is in progress after the recording on the first cassette tape A side is overlaid with the recording on the second cassette tape B side, the recording is performed. A warning for prompting replacement of the second cassette tape that has already been issued is issued (S19). If the second cassette tape is replaced, the warning is canceled (YES in S21), and the process returns to S5. If the second cassette tape is not exchanged and the warning is still issued, the recording to the first cassette tape is paused (S22) without returning to S5, and the warning is released. .

  The above operation is a normal operation in which no pause command is issued during recording. FIG. 3 schematically shows this operation. The recording by the timer is started simultaneously with the start of recording on the first cassette tape A surface. Since it is assumed that a recording tape of 30 minutes is used on one side, the first cassette tape A side ⇒ second cassette tape A side ⇒ first cassette tape B side ⇒ second Recording is performed every 30 minutes in the order of cassette tape B side. However, when the tape is switched, as shown by the parallel diagonal lines in FIG. 3, the recording time on one side is shortened by 5 minutes because the first and second cassette tapes are provided with a 5 minute overlap time. .

During long-time recording, for example, there may be a break during the conference. Since recording at break time is useless, recording may be paused. When resuming recording after a pause, the operation must be resumed in the state immediately before the pause. In the present invention, the pause and the subsequent recording resumption operation,
(1) One of the first and second cassette tape drive units 11 and 12 is recording,
(2) Both the first and second cassette tape drive units 11 and 12 are recording.
It is necessary to think separately. In FIG. 1, the pause operation (1) is represented as “temporary stop I”, and “pause I” is placed in steps S4, S7, S10, S14, and S20, respectively. The details of this “pause I” operation are shown in FIG. The pause operation of (2) above is represented as “temporary stop II”, and “temporary stop II” is placed in steps S6, S9, S12, and S18, respectively. The details of this “pause II” operation are shown in FIG.

Details of the “pause I” will be described. In FIG. 4, when a temporary stop command is issued, “1” is added to n representing the number of times of switching of the tape recording surface (S41). Here, it is assumed that a temporary stop command is issued during recording on the first cassette tape A surface. Accordingly, since a temporary stop command is issued in the state of n = 0, n = 0 + 1 and the value of n is set to “1”. When a temporary stop command is issued (YES in S42), the cassette tape driving unit in operation is temporarily stopped (S43), and the time measuring operation by the timer is also stopped (S44). Waiting for a recording resumption command (S45), when a resumption command is issued, a drive command for the cassette tape drive that was operating, that is, immediately before the temporary stop, is issued to resume recording (S46), and a timer Is restarted (S47), and the process goes to step S48. In step S48, it is determined whether a × n minutes have elapsed. “A” means the time from the start of recording on one side of each tape to the start of superposition on the other tape. In the present embodiment, as described above, a cassette tape with a recordable time on one side of 30 minutes is assumed, and the overlap time of the first and second cassette tapes is set to 5 minutes, so a = 25 (Minutes). The meaning of “whether or not a × n minutes have passed” means that a predetermined time has passed from the start of operation (timer count is 0 minute) until the predetermined recording time by the cassette tape drive unit in operation elapses. It means whether or not. Here, it is assumed that recording is performed on the A side of the first cassette tape. Since n = 0 + 1 = 1 as described above, a × n = 25 (minutes). In step S48 of FIG. 4, if the driving time of only the first cassette tape driving unit, that is, the recording time has not passed a × n minutes, recording with only the first cassette tape is still possible, so that the process proceeds to step S42. Return. If it is determined in S48 that a × n minutes have elapsed, the flow returns to the flow of FIG. If there is no temporary stop in step S42, the process jumps to step S48.
In FIG. 1, “pause I” in step S7 is n = 2, “pause I” in step S10 is n = 3, “pause I” in step S14 is n = 4, and “pause I” is step S20. "N = 5".

The operation of the “temporary stop II” will be described in detail. In FIG. 5, when both the first and second cassette tape drive units 11 and 12 are instructed to pause during the recording operation (YES in S61), the first and second cassette tape drives in operation are driven. Both are temporarily stopped (S62), and the timer operation is also stopped (S63). Waiting for a recording restart command (S64), when a restart command is issued, a drive command is issued to both the first and second cassette tape drive units 11 and 12 to restart recording (S65) and the timer is restarted. (S66) and go to step S67. In step S67, it is determined whether or not the time required for superimposing on the first and second cassette tapes has elapsed, in other words, whether or not the counter has timed until the end of the time required for superimposing. . In the setting of the embodiment, assuming that the recordable time on one side of the tape to be used is b, b = 30 (minutes), and when a is set as described above, the overlap time is b−a = 5 ( Min). In the case of “temporary stop II” in step S6 in FIG. 1, the tape recording surface is switched once, so that n is n = 0 + 1 = 1. In step S67, it is determined whether or not the count value of the timer has reached (b−a) + 25 × n. In the case of “temporary stop II” in step S6 shown in FIG. 1, (b−a) + 25 × n = (30−25) + 25 × 1 = 30 (minutes). Therefore, if the count value of the timer is not 30 minutes, the process returns to step S61 and the above operation is repeated. Since the case of “temporary stop II” is the case where the first and second cassette tapes are overlapped, the above operation is repeated for 5 minutes, which is the overlap time. If the count value of the timer reaches the time required for overlapping in step S67, the process returns to the flow of FIG. If there is no temporary stop in step S61, the process jumps to step S67.
The operation of “Pause II” is being performed on the first cassette tape B surface and the second cassette tape B surface even while the second cassette tape A surface and the first cassette tape B surface are being overlapped. Since n = n + 1 each time, the timer value determined in step S67 is 30 (minutes), 55 (minutes), 80 (minutes),... In the setting of the embodiment. And so on.

  During the continuous operation control of the double cassette deck, for example, when the recording is ended due to the end of the conference, an end interrupt command is issued from the control device. When the end interrupt command is issued, as shown in FIG. 6, the cassette tape driving unit in operation stops (S71), and at the same time, the timer operation stops (S72), and the series of control operations ends. When an end interrupt command is issued, if one of the cassette tape drive units is operating, the operation is stopped, and if both cassette tape drive units are operating, the operations of both cassette tape drive units are stopped.

  According to the continuous operation control device and the continuous operation control method of the tape recorder according to the embodiment of the present invention described above, the control device sets in advance the recordable time of the cassette tape to be used and counts it with a timer. Since the other cassette tape drive unit is operated when the recordable time of the cassette tape becomes shorter than a predetermined time, it is a double cassette deck of a type that cannot output a recording status signal. In addition, the control device can be operated remotely, and the cassette tape can be used without waste to ensure a long recordable time. In addition, even if a pause command is issued during a recording operation and a recording restart command is issued next, a continuous operation control device and continuous operation control for a tape recorder that can be operated as intended according to the command without confusion A method can be provided.

It is a flowchart which shows operation | movement of the Example of the continuous operation control apparatus and continuous operation control method of the tape recorder concerning this invention. It is a conceptual diagram which shows the Example of the continuous operation control apparatus and continuous operation control method of the tape recorder concerning this invention. It is a timing chart which shows the example of the tape switching by the Example of this invention. It is a flowchart which shows the operation example at the time of the temporary stop in a 1st operation | movement aspect during operation | movement of the Example of this invention. It is a flowchart which shows the operation example at the time of the temporary stop in a 2nd operation | movement aspect during operation | movement of the Example of this invention. It is a flowchart which shows the operation example when completion | finish interruption instruction | command is issued during the operation | movement of the Example of this invention. It is a schematic diagram which shows the concept of a double cassette deck. It is a timing chart in case normal continuous operation control by a double cassette deck is performed. It is a timing chart which shows the example in case an error arises in the time of overlap in the continuous operation control by a double cassette deck.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Double cassette deck 11 1st cassette tape drive part 12 2nd cassette tape drive part 20 Control apparatus

Claims (8)

It has a double cassette deck and a control device that controls the operation of this double cassette deck.
The double cassette deck has a first cassette tape driving unit capable of loading and recording on the first cassette tape, and a second cassette tape capable of loading and recording on the second cassette tape. Equipped with a cassette tape drive,
The control device includes a tape recordable time setting unit for presetting a recordable time of a cassette tape loaded in the double cassette deck, a timer for measuring a time from the start of operation, and one cassette tape of the double cassette deck. An operation start command unit for starting the drive unit, and a cassette tape drive unit switching command unit for starting the operation of the other cassette tape drive unit when the recordable time of the cassette tape being recorded becomes less than a predetermined time, Prepared,
A continuous operation control apparatus for a tape recorder in which both the first and second cassette tape drive units are driven.   The control device further includes a pause command unit that pauses the operation of the double cassette deck, and a restart command unit that resumes the operation of the paused double cassette deck. The continuous operation control device for a tape recorder according to claim 1, wherein the continuous operation control device is configured to be stopped and to restart the timer operation by a restart command.   The control device pauses both the operations of the first and second cassette tape drive units when a temporary stop command is issued in a state where both the first and second cassette tape drive units are being driven and counts the timer. 3. The continuous operation control device for a tape recorder according to claim 2, wherein the operation is temporarily stopped, the operations of the first and second cassette tape drive units are restarted by a restart command, and the timer timing operation is restarted.   The control device counts the time during which both the first and second cassette tape drive units are being driven, and until this time reaches a certain time, the control device causes the first and second cassette tape drive units to 4. The continuous operation control device for a tape recorder according to claim 3, wherein the operation is stopped, the operations of the first and second cassette tape drive units are restarted by a restart command, and the timer timing operation is restarted. A first cassette tape drive unit capable of loading and recording on the first cassette tape, and a second cassette tape drive unit capable of loading and recording on the second cassette tape are provided. A continuous operation control method for a tape recorder provided with a double cassette deck and a control device for controlling the operation of the double cassette deck,
The recording time of the cassette tape loaded in the double cassette deck is set in advance in the controller tape recording time setting unit,
The control device counts the time from the start of operation with a timer, starts operation of one cassette tape drive unit of the double cassette deck by an operation start command, and the recordable time of the cassette tape during recording is less than a predetermined time. A continuous operation control method for a tape recorder, characterized in that there is a state in which the operation of the other cassette tape drive unit is started and the first and second cassette tape drive units are both driven.   6. The continuous operation control method for a tape recorder according to claim 5, wherein the control device further stops the operation of the double cassette deck by a pause command and restarts the temporarily stopped operation of the double cassette deck by a restart command.   7. The continuous operation control method for a tape recorder according to claim 6, wherein the control device temporarily stops the timer timing operation by a pause command and restarts the timer timing operation by a restart command. The control device pauses both the operations of the first and second cassette tape drive units when a temporary stop command is issued in a state where both the first and second cassette tape drive units are being driven and counts the timer. 7. The continuous operation control method for a tape recorder according to claim 6, wherein the operation is temporarily stopped, both the operations of the first and second cassette tape driving units are restarted by a restart command, and the timer timing operation is restarted.

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