JPS58120234A - Camera provided with voice transmitting device - Google Patents

Abstract

PURPOSE:To report accurately required warnings and indications to a photographer with voice, by weighting information for camera state discrimination in accordance with the degree of improtance to control the automatic operation of a voice transmitting device. CONSTITUTION:For example, in the state with a lens cap attached, photometric information from a photometric circuit 3 passing through a time limiting circuit 4, a luminance circuit 5, etc. is weighted by IC circuits IC3-IC6 forming a comparing circuit and is applied to an encoder ENC through gates G1-G4. A digital memory MEM is accessed by the output of the encoder, and a voice alarm is reported by the automatic operation of the voice transmitting device. If the warning of camera shake is required, the memory MEM is not accessed by the output of the encoder ENC, and the voice alarm is not generated. In this case, if contents of the warning due to an LED or the like are indistinct, the output of the encoder is changed by closing of a switch SW 7 to access the memory MEM, and a voice warning is performed. Thus, required warnings and indications are reported accurately to the photographer with voice.

Description

[Detailed description of the invention] The present invention relates to a camera with a built-in audio transmission device.

Specifically, we are developing a device that detects the information necessary to judge various camera conditions when taking pictures, and transmits notifications or instructions based on this information to the photographer through sweat sounds. It's about the built-in camera.

Conventionally, various warning displays or instructions in cameras have been visually displayed in a viewfinder or the like using a light emitting element or the like, rather than a meter pointer. This visual display method is effective for displaying various warnings on cameras, etc.
When the photographer captures the subject in the viewfinder and is trying to decide on the composition, the photographer's visual attention is focused exclusively on the subject in the viewfinder, and other warning displays in the viewfinder are not visible to the photographer. It is easy to overlook this, and there have been many cases where this has led to failures in photography.

Various methods have been used to reduce such failures, such as flashing lights, but visual warnings alone are not sufficient, and the use of auditory warnings has been proposed. °It is. In other words, the author of the present invention has proposed a method of displaying various warnings by generating simple intermittent or continuous sounds using an extremely thin sounding body (speaker) built into the camera. ;2-77'l
The application has been filed in No. 3/.

In the invention of the above application, the sound emitted from the speaker built into the camera is an intermittent or continuous sound of a single frequency. Even if the user does not notice it, a warning sound is emitted from the camera's built-in speaker near the ear of the photographer who is ready to take a picture, so it is unlikely that the user will miss the warning sound, thereby preventing mistakes in taking a picture. However, the warning sound in the invention of the above-mentioned application is a simple two-intermittent sound or a continuous sound, which makes it difficult to distinguish and display many warning displays or instructions, and even if many generation frequencies and intermittent states are selected, It has been difficult to intuitively identify and recognize various warning displays.

Further, JP-A No. 3'l-109g3g was made in view of the above points, and is similar to the above-mentioned application in that various warning displays or instructions are audible, but the present invention does not incorporate these. In order to make the display or instructions intuitively perceivable, the present invention provides a camera incorporating a device that specifically generates sound using verbal sound.

The conventional example described above has the following drawbacks.

■It is noisy because it gives a voice notification every time there is a warning or instruction.

■Even if the photographer knows from experience (I want to take a picture even if it's slightly undershot, I want to take a picture even if the camera shakes a little), the camera persistently warns with audio.

In addition, in order to compensate for the above-mentioned drawbacks,
No. 1IJ states that a prohibition means for disabling the reproduction means is provided, but this is merely a changeover between an active mode and an inactive mode of voice notification.

The present invention is based on the idea that the photographer can extract necessary audio notifications when necessary. For example, if the camera goes into prohibited mode due to operator error, the photographer who knows how to deal with it from experience and knowledge may be able to take care of it himself and may not need to receive the camera's unilateral audio notification. In addition, if the photographer does not know how to deal with the problem, he or she may need to ask the camera to tell him what to do.

The present invention solves the above-mentioned problems and the objects of the invention are now listed.

■Each time there is a warning or instruction for shooting, there is no audio notification, so it is not unpleasant. (Warnings that the photographer is aware of from experience and knowledge [such as camera shake, undershooting, overshooting, etc.)
c) But you don't have to be constantly warned by voice.

) ■The photographer can receive necessary warnings and instructions by voice whenever necessary.

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a circuit diagram showing an embodiment of a camera with a built-in audio device according to the present invention. A semiconductor memory is used as a storage medium in the audio device of the present invention, and a digital warning or instruction signal is stored in it, and a recording method is not required for its reproduction. Because it does not require the recording medium to be driven during playback, it does not generate noise due to rotation during playback, and unlike devices that use magnetic heads, it is free from humidity, temperature, swelling, and aging. First, they have many advantages, such as being able to eliminate the need for repairs and making the device extremely compact.

In the figure, E is a power source such as a battery, MS is a main switch, BC is a battery check switch zD/ is I, which will be described later.
A Zener diode for applying a reference voltage to the (G) terminal of C/, R/ is a resistor for current limiting of ZD/, R2,
R3 is a dividing resistor that supplies the voltage to be measured to the (c) terminal of IC/, which will be described later, and IC/ is a comparator.
C, R/ to R3zD/, and ■C/ constitute a battery check circuit (1).

R2'1. R2! ;, C/, and inv// are a group of elements that make up the auto clear circuit (2), and all registers and clips 70 are set to the reset state (7
)? Al. R1', ZD, 2, SPC, IC2, TR/
,TR,! and R5 are a group of elements constituting the photometry circuit (3), ZD2 is a Zener diode that supplies a reference voltage to the (G) terminal of IC2, which will be described later, R4' is a resistor for current limiting of ZD2, and SPC is a IC,2 is an operational amplifier that amplifies the signal generated in the light receiving line, R1TR2 and TR/ are operational amplifier ICs.
.

R6, R7, TR3, TR11, and C2 constitute a time limit circuit (4) that determines the shutter time. Rg-R/,! i
-, TRl1-TR'7 respectively constitute a brightness detection circuit (5), TR7 is a transistor for high brightness detection, TR
O is a transistor for detecting camera shake, TR1 is a transistor for detecting low brightness, TR4' is a transistor for detecting low brightness such as when the lens is covered with a cap, ZD3
is the Zener die automatic switch that supplies the reference direct voltage for IC3 to IC2, which will be described later, and R/Otsu is the resistor for current limiting of 2D3, and IC
3~IC B is the reference voltage and TR4'-TR? A comparator group that compares the signals from At1f and outputs an output signal according to the 11 state, G/~Gll is a ll state gate group, and R/7, ZD4' and IC7 are the capacitor terminal voltage of the time limit circuit (4). element group of the comparator circuit (6) that compares and reference voltage, ANI) l=l:
AND gate, 1nv2~inv3 is a group of inverters, TRg-TR/8R to g~R, 2/ constitutes a drive circuit (7) of MG/ described later, MG/ is a solenoid that drives a shutter (not shown). be.

O8, 2, O83 are one-shot multivibrator circuits, FF3 is a flip-flop, AND3 is an AND gate, R, 22, R23, TR/2, TR/3
constitutes a drive circuit (8) for a motor M, which will be described later, and M is a film feeding motor.

SW/ is the self-timer switch, SW, 2 is the switch for the λ-th stroke that enters at the Ω stage when the shirt button is pressed, AND,! is the self-timer switch SW/
The AND gate that outputs an output when the switch SW2 of the co-stroke is turned on with CK/ is 7
A clock circuit that oscillates with a period of seconds, O8/ is a one-shot multivibrator that determines the self-timer time, and A
NDq is O8/ high level (Is/If level)
AND gate that outputs the signal from O8/, RG
/ is a register that counts the pulses from ANDtI, FF/ is a flip-flop that determines the timing to drive the time limit circuit (4), C3, CIl, R24', R,2
5D B and D7 constitute a trigger circuit (9). AND
3 is an AND gate, inv 5 is an inverter, and when not in self-timer mode, the second stroke switch (S
Outputs a signal when W2) is input.

FF2 is a flip-flop that is reset when the switch (MS) is turned on and set when the 7
ENC) when any signal is input to the ■～■ terminal,
As shown in Fig. 2A, the binary code corresponding to the A O-A, 2 output terminal is output, and the Eo terminal becomes SS/11 when the inputs to the terminals ■ to ■ reach the %/〃 level even if there are seven inputs.
The terminal that becomes 1, SWC, is a switching circuit for external audio activation, and as shown in Figure 7, the switch SW7 located on the camera
turns on, generates qi/
) is input to OR2 together with the output of AO via inv B, leading to 0847. OR, 2 is an or gate. O
8ri ~ Deciding the timing to output the osgu one-shot multi-vibrator audio. OR/ is an OR gate, FF9 is a flip-flop, and an auto clear circuit (
2), or reset by the signal from the carry terminal C of register RG, 2, and set by the output signal of OR/. CK2 is a clock oscillator that advances the count of the register RG2, which will be described later, and NAND/ is a Nant gate that sends a signal to 6 terminals that select the digital memory (MEM).

AND B is CK, only when the output of FFII is electric/〃.
SW5 is an AND gate that accepts and attaches the signal from 2, and SW5 is a switch that stops the audio.

RG2 is a register that counts the number of signals from AND B and specifies the address of the digital memory (MEM) described later. For digital memory (MEM), see Figure B.
St/
# (t Q // bit-converted data is built-in, and if you specify the address with the terminal group from ■ to 0,
A digital signal is sequentially output in synchronization with the clock pulse of 2, and the signal is converted into an audio analog signal by the audio synthesis circuit 4!, the high frequency signal is blocked by the low pass filter 30, and the volume adjustment circuit 4! via the speaker (S
P) or earphones (BP). SW B has earphones (B P) and speakers (S P).
). Speech synthesis circuit here -
is a known circuit, such as PARCOR system, LPC system,
C8M method etc. are possible.

Dr/ is a driving circuit for a light emitting diode LED/ for visual display, and the LED/ is arranged, for example, within the field of view of the finder, as shown in FIG.

Next, the operation of the circuit shown in FIG. 1 will be explained.

First, each time the main switch MS is turned on, a voltage (10E) from the voltage power source E is supplied to each circuit. Prior to shooting,
Check the battery voltage (10E) using switch BC. That is, as shown in Figure S, when switch BC is turned on, Zener diode ZD is connected through resistor R/.
Current flows through /, and a reference voltage is supplied to the input (G) terminal of converter IC/. On the other hand, a voltage is applied to the input (c) terminal side by dividing the battery voltage (+E) by resistors R2 and R3. If the battery voltage (10F) is below the reference voltage, the output of IC/ will be at logic high level (ss/
tt), and conversely, if the battery voltage (10E) is higher than the reference voltage, the output of IC/ will be at a logic low level (% Q
p) level. This signal is encoder (ENC)
is connected to the terminal ■. If the terminal ■ is \\/〃,
In other words, when the battery voltage (10E) is below the reference voltage.

The output of the encoder (ENC) output terminal E0 and inv B becomes the level /〃, and the inv? and the terminal of inv& becomes XXQ/I. In addition, the EO terminal can be used with any one of the encoder (ENC) input terminals ts /
When it comes to /J, all of the ■～■ terminals are ss.
EO becomes %□u only when □tt.

The encoder (ENC) output AO1A/and A2 are
A signal changed to co-evolution is outputted from the input terminals 1 to 2, and when two signals are input to the encoder (ENC) at the same time, the lower one is given priority.

When EO reaches t(/l/, the LED for visual warning display
Driver circuit Dr to turn on or blink /
/ is activated and LED / is lit or blinks to display a warning. At the same time, the 1/〃level output of inv B reaches osq via OR and 2. Therefore SW7, SWC
, AND7, 0R2 (D output is at whisper/〃 level, so the ki/〃 level signal is input to osll,
The result is as shown in FIG.

That is, when a 1/〃 level signal is input to 08ll, three one-shot multivibrators 084t to 08b are connected in series, and a 7 second pulse is generated in these circuits. The signal from the output Q of osq passes through the OR gate OR/.

Enters input terminal S of flip-flop FF4' and outputs FFZ
Set. The clock oscillator CK2 oscillates at a frequency that takes into account the access time of the digital memory (MEM). During the period of FF4' Q terminal Cag% // level, Antgame) AND O opens and clock oscillator C
A clock pulse from K2 enters the input of register RG,2, and register RG,2 starts counting from 0.

This determines the address of the column on the matrix of digital memory (MEM).

In addition, the digital memory (MEM) terminal ■ ~ (23
■ in ' is because the signal from AO of encoder (ENC) is passed through inverter invB, so S
/ I/level, digital memory (MEM)
The row address of the matrix is determined. When the battery voltage (10E) is lower than the reference voltage, if you want to alert the photographer with a voice saying "Battery is low," sample the voice necessary for the voice saying "Battery is low" as a time parameter. However, if the digital audio parameters are stored in the digital memory (MEM) in advance as a % / l / SS Q /I signal, all you have to do is specify the row address of the digital memory (MEM). Become. The G terminal is OR
If the output of / is at the whisper/〃 level and the audio stop switch SW5 is off (sound generation), the Nantes Gate NAND
Since the input terminals of / are both at the / level, the output is at the level of 0, and the selected digital memory (M
When the address of the matrix of the digital memory (MEM) is set and the chip select terminal surface is selected, the address of the matrix of the digital memory (MEM
) outputs a digital audio parameter signal (SOUND) indicating that the battery is low, which is converted into an analog audio signal by the audio synthesis circuit, and high-frequency components are removed by the low-pass filter 30, resulting in a proper analog audio signal. But the volume adjustment circuit'! ! o to speaker SP or earphone BP, [Battery low]
The audio will be output.

Also, registers RG, 2 have C terminals, and when they count up, this becomes the turtle/I level, and the diode D
The signal is input to the R terminal of the 7-lip flop FF4' through A, and the FF4' is reset. As a result, FF4's Q
The terminal goes to %Ol level, closes the AND gate, and stops the count of register RG2. When the output cuff of the OR gate OR/ mentioned above reaches 5E%θ, NAND
The output of / becomes %/〃 and the digital memory (M E M
) is prohibited.

In addition, R2'l, R, 25, C/, inv// and D
/-D4 constitutes an auto-clear circuit (2), and when the main switch MS is turned on, the capacitor C/ is charged through the resistor R1 as shown in Figure S, but its final voltage is R
,2'1. R, determined by the division ratio of 25.

When the charging voltage of capacitor C/ rises above the threshold voltage (thv) of inverter inv//, i
The output terminal of nv// changes from the 1/〃 level to the 60〃 level. When this spirit/〃level Ni, RG/, R(,2
and FF/~FFI are reset in advance.

Next, when the self-timer switch SW/ is on, when the shutter button (not shown) is pressed from the first stroke to the first stroke and SW2 is turned on, the AND gate A
Both inputs of ND2 are at 1/〃 level, so AND2
The output will be at ki/〃 level. On the other hand, since the inverter inv5 is included in the gate AND3, its input becomes %/1%O, and the output of the AND3 becomes the %QN level. When the output of AND and 2 reaches the /# level, the one-shot O8/ timer operates, and at the same time, the clock oscillator CK/ starts oscillating at a period of 7 seconds.

ANDII outputs %/N only when these two inputs' are at the %/I level at the same time, and the register RG/ starts counting. This count state is output to output terminals ① to @, and specifies the row address of the digital memory (MEM) O matrix.

On the other hand, the output of AND+ goes into the gate OR/ and goes to FFI.
Set 7 lips and 70 lips of I, and its output is gate A.
ND/) and transfer the pulse of clock CK2 to register R.
Input to G2. The register RGΩ counts these clock pulses, and the output of the count state specifies the column address of the matrix of the digital memory (MEM), that is, the column address of the input ■■t9)Q+.

In addition, when the output of OR/ is input to the chip select terminal 0 of register R(,2) through NAND/, the output of digital memory (MEM) is output (for example, when the self-timer is , one, the second sand is two - one or less three, ho five, sweets, seven,
Digital audio parameter codes of eight, nine, and ten (5OUND/, 5OUND2) are output. Thereafter, in the same manner as described above, this signal is converted into an analog audio signal by the audio synthesis circuit (1), and is converted into an analog audio signal by the low-pass filter 30. The sound is output as audio by the volume adjuster 1IO8P or EP.

On the other hand, as shown in FIG. Set. In addition, TR can output FF/
The base input of I is connected to the other output Q to the input of AND/.

On the other hand, R4, Zn2, SPC, IC,2, TR/.

R5 and TR/ constitute a photometry circuit (3), which receives the illuminance from the subject with the photoelectric element SPC, generates a voltage corresponding to the illuminance, amplifies this with the operational amplifier IC2, and outputs 85% according to this voltage. %TR2 and TR/, which in turn causes TR3, TRl1 . TR5, T
Current also flows through R6 and TR7. When the enable terminal of the flip-flop FF/ goes from the \1/〃 level to the %% QII level, the transistor TRII turns from on to off, and the current starts to flow through the capacitor C. At the same time, the Qi level generated at the Q terminal of the flip-flop FF/ passes through the gate AND/ and inv! Outputs 0 and 1
Set the inverter output of nvJ to Q /lt. Due to this level, the transistors TRg and TR//75E are brought into conduction, and a current force ζ flows through one path A to the magnet (MG/), and the shutter blade (not shown) is opened by energization of this magnet.

On the other hand, as the capacitor (l) continues to charge and its voltage becomes higher than the reference voltage zDII, the output of the regulator IC7 changes from the whisper/〃level to the θ〃level, and the gate AN
Close D/. The output power of AND/ is 0, and inv ηp/n, inv 3 becomes 0, and both transistors TI'1% TRI/ are cut off... On the other hand, the output of AND/ is one-shot O82 operating C%
% □ II L/ < /trigger] and inv
'+ is the qi O output, the output of 1nv5 is at the qi/〃 level, and the registers TR9 and TR-7-0 are energized. As a result, current flows through the current path B to the magnet, -to MG/. , 7 The blades are closed.

On the other hand, as shown in FIG. 9, by the output of O82.

The one-shot timer O83 is activated and the flip-flop FF3 is set. FF3 output is 6/〃
During the level, the transistor TR/2°TR/3 conducts A current, which drives the motor M. 5 This motor M is a film feeding motor, and the film is fed by driving this motor. When the film feeding is completed, the motor drive completion switch SW3 is turned on, and the flip-flop FF3 is reset. This reset signal causes the output of FF3 to reach the % Q // level, cuts off TR/, 2, and TR/3, and stops the rotation of the film feeding motor (M).

If this film feeding motor M has been operating for a longer time than the timer of the one-shot O83, that is, if the film is jammed in the film feeding mechanism or if the film is not wound, the motor drive completion switch SW3 is turned off. This state will continue, and the driving time of the motor M will become longer. One shot O83 has 0 qi after a certain period of time.
This is a timer that changes from %///, and as mentioned above, if the motor drive is abnormally long, it changes from Nθ〃 to q/〃. At this time, ANDS goes from turtle 0 to 1/〃 level,
This output enters the input terminal ■ of the encoder (ENC), and the output of inv A'inv g is +1 /
II % Q 11 % // Becomes Lehel, E
O is also at the %/II level. AO1A/, A, and 2 each designate the row address of the matrix of the digital memo IJ-(MEM).

On the other hand, since the output of 1nvA is at the 17〃 level, whisper /〃 is input to OR2, and regardless of SW7, SWC, AND'7, the output of OR2 is at the /〃 level, so a % /〃 level signal is input to tOS+. is input, and the digital memory (M E
By specifying the row address of M) and using the digital audio parameter signal 11=CS0UND), the speaker SP or earphone BP emits a sound saying "Film abnormality".

During photometry, the current corresponding to the illuminance from the subject is R
5% TR2, TR/, SPC and ZD,2, and this current also flows through transistors TR3 to TR7. The current of TRg~TR'7 is R/ko, R/3,
R/4', R/! ; and the value of each voltage drop is used to determine the illuminance state of the subject. The above judgment is made by the comparators E C3, IC4', IC5 and IC B, which compare the voltage drop generated by flowing through each of these resistors with the reference voltage obtained by the Zener diode ZD3, and these signals G/
The timing at which ~G4' outputs as an output is determined by flip-flops FF and 2. When using a camera equipped with a lens shutter, photographers often try to take pictures by attaching a cap to the lens. In the case of such ultra-low brightness, R/2. The current flowing through R/3, R/4', and R15 is extremely small, and the resulting voltage drop is also small. Therefore these will of course be lower than the reference voltage.

The output of ICA is ant/〃, IC3 is 0, and IC is 1/
〃IC5 returns to Ill/II.

In this state, when the shirt button (not shown) is pressed and the first stroke is reached, the first stroke switch 5Wll is turned on as shown in Fig. 70, and a signal is input to the S terminal of flip-flop FF2 to set the FF. state. As a result, the output Q of FF2 becomes the turtle/'' level, and the gate G/~
Open G4' and connect the encoder (ENC) input terminals ■～■
is sQ/l-θ〃S(/ 11 whisper/ # ss /
The output of inv O~g is as shown in Figure 2.
s/lta/y*/lt. The output of 1nvA is (S
/ tt, as in the case of battery check and film abnormality, as shown in Figure 6, set the line address of the digital memory (MEM) to 000 and set it to ss / l / q'' regardless of whether SW7 is on or off. '/〃/〃/〃, digital audio parameters called "lens, cap", signal (SOUND), voice synthesis circuit)
from speaker SP or earphone BP via
A voice saying "Lens, cap" is emitted.

If the subject is low brightness, R/, 2, R/3, R/1I
Although the non-current flowing through R15 is not less than when the lens cap is attached, a small amount of current flows through each resistor, and the resulting voltage drop is also small. Therefore ■c3Ic11. I
The input terminal of C5 will be lower than the reference voltage, and the input terminal of ICA will be higher than the reference voltage.

Thus, IC3 is SS Q II, IC ri is Q/', I
C5 becomes N/ and ICA becomes 0 output. In that state,
When the shirt button (not shown) is pressed to reach the seventh stroke, the first stroke switch SW is turned on, and a signal is input to the S terminal of the flip-flop FF, 2 to set the FF. As a result, the output Q of FF,2 is XX/〃
When the level is reached, gate G/~G4' is opened and the input terminals of encoder ENC ■~■ are 60〃11θ as shown in Figure A.
〃Electricity/N%/IJXXQ//%QI becomes 1nv6~g
The output is as shown in Figure A (SS O'I1.."h Q,
// tt / I.

Here, the output of 1nvA is lXQ //. Also EO
becomes an ant/〃, so Dr/ is activated and L as shown in Figure S
ED/ lights up or flashes to warn you.

In this case, depending on the photographer, the content of the warning can be understood by the visual warning provided by the LED, and if the photographer wishes to take a photograph even if the photograph is slightly undersized, he or she can take the photograph himself. Further, if the photographer does not know what the LED is warning about, close SW7, which is the external audio notification means, in order to know the content of the warning. Then, as shown in FIG. 70, the output of the switching circuit SWC becomes 1/〃, and the whisper/〃 is inputted to ORJ by AND7. Therefore, N/〃 is input to the OS signal by the action of closing SW7. Below, in the same way as in Figure 6, i
Whisper QI/% (7#Th/#) by the digital sound parameter signal (SOUND) of the row address of the digital memory (MEM) specified by the voice synthesis circuit, etc., by the speaker SP or the earphone, An audio notification "Lower the camera." Also, if the subject brightness is such that it causes camera shake, the current flowing through each resistor R/2 to R/S will be slightly smaller and the voltage drop will be lower. Somewhat less. Therefore, ICE,
The input terminal of Ice becomes lower than the reference voltage, and IC5, I
The input terminal of CA becomes higher than the reference voltage. Thus the first
/As shown in the figure, IC3 is -O〃, I (1' is $-7〃, I
ce is Qo〃, ICA is %Q II, and in the same way as above, for the first stroke of the shirt button, input XXQ to the input terminals of the encoder (ENC) from ■ to ■. // 11
Q / l XL / I SS Q # It Q l
/ SS Q // Enter. The outputs of inv A to g are as shown in Figure A (% Q // t (/ // SS
Q/7. At this time as well, inv B is -)0〃.

In addition, since EO becomes dark/〃, Dr/ is activated, and the <LED/ lights up or flashes as shown in Fig. S, visually indicating that the warning state is present. Therefore, as in the case of a low-mounted camera, some photographers may be able to understand the content of the warning and take appropriate action. Further, the person who is not aware of the warning contents closes the SW7 which is the external audio notification means.

Then, as in FIG. 10, the output power of the switching circuit SWC becomes β/〃, and AND? , OS' via OR2
I IICx /tt is input. Therefore, due to the action of closing SW7, 1/〃 is input to 08II, and as in Fig. 6, it is input to inv O~g% Q IF ts
/ // SS Q // According to the digital audio parameter signal (SOUND) at the row address of the digital memory (MEM) specified, the SP or BP is output via the audio synthesis circuit, the low-pass filter 30, and the sound adjuster 110. The camera will issue a voice warning saying "Be careful of camera shake".

In the case of high-pitched sounds, a large amount of current flows through each of the resistors R/u to R/, t, resulting in a large voltage drop. Therefore, each IC3 from the reference voltage
~The input terminal of B becomes high. Therefore, as shown in Figure 1/I
C3 is %/#, and IC4'-IC B is 10. Similarly, the encoder (ENC) input terminals ■～■ are %Q
l/%/II 0〃%ON East QI%QI input inv
For Otsu size, %QI%711%7N is output. Since the output of inv B is 'kQI', it is similar to the case of bass or camera shake.
By closing SW7, the digital audio parameter signal (SOUND) located at the row address of the designated digital memo IJ-(MEM) is used to issue a voice notification of ``Caution on high pitched tone'' in the same manner as in FIG. 1O.

As mentioned above, when it is impossible to take a photo (for example, when a lens cap is attached, film advance is abnormal, battery is insufficient)
In this case, the audio notification will be made regardless of the switch SW7 of the external audio notification means, and when it is not impossible to take a photo but requires caution, the audio notification will be made only when the switch Fw of the external audio notification means is activated. .

The difference from the diagram is in the driver circuit (Dr/) relationship.

Dr. 2 in FIG. 72 is a circuit that generates a pulse to cause the LED/ for visual display to emit light, and is activated to generate a pulse when the input from the EO reaches the electric/〃 level. D
r3 is a pulse generation circuit for determining the blinking period of the visual display LED/, which is activated when the input reaches the level of /.

The input terminals of the encoder (ENC)
1AO1A/, the output of A2 is determined, i
When the output of nv O is %///, that is, in the above explanation, when the battery voltage is insufficient, the lens cap is forgotten, or the film feeding is abnormal, the input signal to Dr3 is ignored by inv / 2 as shown in Fig. 73. It is O level. Therefore D
Since r3 does not generate blinking cycle pulses, inv/
The output of 3 remains 1/〃. Therefore, by ANDg, LED/ lights up. Also, the output of 1nvA is NO.
In other words, in the above explanation, high-pitched sound,
In the case of camera shake and bass, as shown in Figure 73, inv/2
As a result, the input signal to Dr3 becomes qi/〃 level. Therefore, Dr3 generates a pulse for the blinking cycle, and inv/3
The pulse for the blinking cycle via Dr2 and ANDg causes the LED/ to display by blinking light emission.

In the embodiment shown in Fig. 1, the same warning status was displayed using the same LED, but in the embodiment shown in Fig. 72,
For example, by weighting the warning status display method,
Illuminated as a heavy warning, flashing as a light warning, and ``when the battery is below the prohibited voltage,'' ``cap attached,'' ``film feeding error,'' etc. are displayed as a heavy warning, lighting up and prohibiting camera operation. . In addition, "low sound", "high sound", "camera shake", etc. are displayed as a @warning and blinking. Therefore, the above weighting can be done by changing the brightness of the LED/ or by using different light emitting diodes. .

According to the present invention as described above, there is no need to notify by voice every time there is a warning or instruction for photographing, and the user is not uncomfortable. Paraphrase. t. Even if the photographer is aware of the warnings from experience and knowledge (such as camera shake, undershooting, overshooting, etc.), there is no need for persistent audio warnings. Furthermore, the warning status display allows the photographer to immediately deal with what he or she knows from experience and knowledge, and the photographer who does not understand can obtain detailed information and how to deal with it using the external audio activation means. In addition, when the warning status display includes a weighted display, it becomes difficult to judge whether or not to give priority to quick shooting performance. In this case, the photographer can optionally receive detailed warnings and instructions (photographing procedures) by voice when necessary.

In addition, if the warning does not match the camera's shooting operation (for example, "Film feeding error" [when the cap is attached, etc.), an audio warning will be issued unconditionally regardless of the dialog button, and the shooting operation will be performed. There is no unconditional audio warning when the camera shakes (hand shake, etc.). There are advantages such as

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram showing an embodiment of a camera incorporating an interactive audio device according to the present invention, and FIGS. 2A and 2B are tables showing input signals corresponding to each state of the encoder and digital memory in the device of FIG. , FIG. 3 shows a viewfinder display according to the present invention, which is set in the viewfinder and the warning status display LED/. FIG. 7 is a perspective view of the exterior of the camera showing one embodiment, and SW7 is a dialogue button, and when this button is pressed, a sound is emitted. The 51st, 6th, 7th, g, 9th, 70th, and 1/Figures are timing charts 1 for explaining Figure 1, respectively.
Rii dry r-1yri (tFL fuyu) 5 Fig.

Claims (1)

[Scope of Claims] A device that detects information necessary for determining various states of the camera when taking a picture with the camera, and transmits expressions or instructions according to the information to the photographer by voice. In the camera, means for weighting the detected information according to the importance of the information, and means for automatically activating the audio transmission device when the weighted information is present. A camera with a voice transmission device.