JPH04316285A - Photographing time measuring and displaying device - Google Patents

Abstract

PURPOSE:To easily measure and display the photographing time by counting up the time after automatically initializing the preceding lap time after detection of the start of photographing. CONSTITUTION:It is discriminated whether photographing is started or not by a photographing start detecting part 11. This discrimination is repeated when photographing is not started; and when photographing is started, an initialization command signal 15 is outputted by the photographing start detecting part 11 to operate an initialization command part 5, and a photographing time measuring part 3 is initialized, and the counting-up operation of the measuring part 3 is started by the detecting part 11. Thereafter, it is discriminated whether photographing is stopped or not by a photographing stop detecting part 2, and the counting-up operation is repeated till it is stopped. When the stop operation is detected, counting-up of the measuring part 3 is stopped, and the control is returned to the processing to discriminate the start of photographing.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographing time measurement and display device that can be used in a camera-integrated magnetic recording and reproducing device.

0002

[Prior Art] In recent years, camera-integrated magnetic recording and reproducing devices (
There is a strong demand for improvements in the operability of movies (hereinafter abbreviated as "movies"), and in particular, a shooting time measurement and display device that allows easy confirmation of shooting time during shooting is desired.

A conventional photographing time measurement and display device will be explained below. FIG. 3 is a block diagram of a portion related to a conventional movie shooting time measurement and display device, and FIG. 4 is a flowchart showing the operation of the conventional movie shooting time measurement and display device. In FIG. 3, 1 is a shooting start detection unit that detects that shooting has started during recording, 2 is a shooting stop detection unit that detects that shooting has stopped, and 3 is a shooting time measurement unit that measures shooting time. In the section, the shooting start detection section 1
And the photographing stop detecting section 2 controls the start and stop of measurement. Reference numeral 4 denotes a photographing time display section that displays information from the photographing time measuring section 3, and numeral 5 denotes an initialization command section that outputs an initialization command for the photographing time.

The operation of the conventional movie shooting time measurement and display device configured as described above will be explained below with reference to the drawings.

First, since the time is measured during photographing, a count-up operation is not performed until photographing begins. When the photographing start detection section 1 detects the start of photographing, the photographing time measuring section 3 counts up the photographing time, and when the photographing stop detecting section 2 detects the photographing stop, the count-up operation is stopped. After that, the shooting start detection unit 1
When it detects the start of the next shooting, it continues counting up the previous shooting time without initializing it. The subsequent operation is a repetition of the above operation.

[0006] The initialization command of the initialization command unit 5 is a means for arbitrarily initializing the photographing time by button operation or the like. The measured photographing time is displayed to the photographer on a viewfinder or the like by a photographing time display section 4.

[0007]

[Problems to be Solved by the Invention] However, in the conventional configuration, when the shooting is repeatedly started and stopped, the previous shooting time value is continuously counted up, so that the number of shots taken for one shot from the start to the stop of shooting is continuously counted up. When measuring only time (hereinafter abbreviated as lap time), there is a problem in that the photographer must manually give an initialization command before starting photography.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and aims to provide a photographing time measuring and display device having a lap time function that automatically issues an initialization command at the same time as detecting the start of photographing. .

[0009]

[Means for Solving the Problems] In order to achieve the above object, the photographing time measurement and display device of the present invention includes a photographing start detecting means, a photographing stop detecting means, and a photographing time between a photographing start time and a photographing stop time. This configuration includes a measuring means, a means for automatically initializing the photographing time each time photographing starts, and a means for displaying the measured lap time.

0010

[Operation] With the above configuration, during the measurement of the shooting time after the start of shooting, after the shooting stop is detected and the shooting time count-up operation is completed, the shooting time is automatically initialized and the shooting starts at the next shooting start. By doing this, it is possible to measure and display the shooting time for each shot simply by starting and stopping the shooting.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of a portion related to a photographing time measurement and display device according to an embodiment of the present invention, and FIG. 2 is a flowchart showing the operation of this embodiment. Components that are the same as those of the conventional component are given the same reference numerals and explanations are omitted. Reference numeral 11 denotes a photographing start detection section which, when detecting the start of photographing, sends an initialization command signal 15 to the initialization command section 5 and also sends a signal to the photographing time measuring section 3.

The operation of this embodiment will be explained below. first,
A photography start detection unit 11 determines whether photography has started. If imaging has not started, the determination is repeated, and when imaging has started, the imaging start detection unit 11 simultaneously outputs an initialization command signal 15, operates the initialization command unit 5, and initializes the imaging time measurement unit 3. Shooting start detection unit 1
1, the photographing time measuring section 3 performs a count-up operation. Thereafter, the imaging stop detection unit 2 determines whether or not imaging has stopped, and repeats the count-up operation until it is stopped. When a stop operation is detected, the counting up of the photographing time measuring section 3 is stopped, and the process returns to the process of determining whether to start photographing.

As described above, according to this embodiment, by automatically initializing the previous lap time after detecting the start of shooting and then counting up, the lap time for each lap can be adjusted by simply starting and stopping the shooting. can be easily measured and displayed.

[0015]

As described above, according to the present invention, when displaying one shooting time (lap time), the measurement value is automatically initialized once the start of shooting is detected, without having to initialize the measured value manually. Because of this configuration, it is possible to easily measure and display the time taken for one shooting just by starting and stopping the shooting.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

[Figure 2] Flowchart showing the operation of the same embodiment

[Figure 3] Block diagram showing the conventional configuration

[Figure 4] Flowchart showing the operation of the same configuration

[Explanation of symbols]

2 Shooting stop detection section 3 Shooting time measurement section 4 Shooting time display section 5 Initialization command section 11 Shooting start detection unit 15 Initialization command signal

Claims (1)

[Claims] 1. A photographing start detecting means, a photographing stop detecting means, a measuring means and a display means for photographing time between a photographing start time and a photographing stop time, and a means for initializing a photographing time by the photographing start detecting means. A photographing time measurement display device comprising: