CN2185492Y - Apparatus for automatically identifying transfer systems and bright colour signal separation of colour TV set - Google Patents
Apparatus for automatically identifying transfer systems and bright colour signal separation of colour TV set Download PDFInfo
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- CN2185492Y CN2185492Y CN 93222882 CN93222882U CN2185492Y CN 2185492 Y CN2185492 Y CN 2185492Y CN 93222882 CN93222882 CN 93222882 CN 93222882 U CN93222882 U CN 93222882U CN 2185492 Y CN2185492 Y CN 2185492Y
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Abstract
The utility model discloses an apparatus for automatically system identifying and transferring and brightness and color signals separating of a color TV. The utility model is composed of an automatically system identifying circuit, a brightness and color signals separating and an oscillating crystal converting circuits. The utility model belongs to the television receiving technology. The utility model has the advantages that an NTSC3 3.58 system is added to a Sanyo 83 PG machine core, at the time of the NTSC 3.58 system, the brightness and the color signals are separated to ensure the picture is clean and clear and the picture quality is fundamentally improved and the fully automatically system identifying and converting of the Sanyo 83 PG machine core are realized.
Description
The utility model relates to a kind of color television set standard of being made up of standard automatic identification circuit, bright signal split circuit and oscillating crystal commutation circuit and discerns conversion and bright signal separator automatically, refer in particular to a kind of color television set standard that is used for the 83PG of Sanyo movement and discern conversion and bright signal separator automatically, it belongs to Television Reception Technology.
The preferred integrated circuit μ of China's color television set PC1423CA has PAL and NTSC two standard colour decodings, and has an integrated circuit of light tone passage and row-field scanning signal processing function, adopt the television set of this integrated circuit at present, generally do not have the NTSC3.58 standard, thereby can not some NTSC3.58 standard signal from satellite television receiver, compact disc and video tape recorder of rating.
Sanyo's 83PG movement is the typical circuit that adopts μ PC1423CA, this movement or be that Phase Alternation Line system, NTSC4.43 make manual switch, or be that Phase Alternation Line system, NTSC4.43 system, Sequential Color and Memory system manual switch and Phase Alternation Line system, Sequential Color and Memory system are changed automatically, wherein the automatic conversion of Phase Alternation Line system and Sequential Color and Memory system is realized by Sequential Color and Memory system colour decoding integrated circuit AN5635.
The purpose of this utility model is on the basis of the former 83PG of Sanyo movement, provide a kind of color television set standard to discern conversion and bright signal separator automatically, this device not only replaces the NTSC4.43 standard with the NTSC3.58 standard, and the automatic identification that has realized Phase Alternation Line system and NTSC3.58 system or Phase Alternation Line system, Sequential Color and Memory system and NTSC3.58 system is changed with automatic, simultaneously when the NTSC3.58 standard, in the luminance channel of television set and color channel, insert bright, look separation signal automatically, visual clean, clear when making the NTSC3.58 standard, thus image quality improved.
The purpose of this utility model can reach by following measure:
When making μ PC1423CA be operated in the Phase Alternation Line system state, its system conversion control end the 26th pin voltage should be low level, also be low level during Sequential Color and Memory system, the color sub-carrier frequency of oscillation should be 4.43MHz, promptly should insert the 4.43MHz oscillating crystal between the 20th pin among the μ PC1423CA and the ground; When making μ PC1423CA be operated in NTSC3.58 system state, its system conversion control end the 26th pin voltage should be high level, and the color sub-carrier frequency of oscillation should be 3.58MHz, promptly should insert the 3.58MHz oscillating crystal between the 20th pin among the μ PC1423CA and the ground.
When the composite colour television signal behind the video detection was input to the standard automatic identification circuit, standard automatic identification circuit output can be exported different level by the standard difference of its input signal, and when Phase Alternation Line system or Sequential Color and Memory system, its output voltage is a low level; During the NTSC3.58 system, its output voltage is a high level, thereby finishes the automatic identification of standard.This output voltage, is controlled the crystal commutation circuit 4.43MHz oscillating crystal is inserted between μ PC1423CA the 20th pin and the ground when this output voltage is a low level as the control voltage of oscillating crystal commutation circuit, and making the frequency of oscillation in the oscillation circuit is 4.43MHz; When output voltage was high level, the oscillating crystal of 3.58MHz inserted between μ PC1423CA the 20th pin and the ground, and making the frequency of oscillation in the oscillation circuit is 3.58MHz, thereby finishes the conversion of different systems color sub-carrier frequency of oscillation.This output voltage also is a control voltage bright, the chrominance signal split circuit, when output voltage is a low level, promptly when Phase Alternation Line system or Sequential Color and Memory system, composite colour television signal is to the video inputs of μ PC1423CA, and the composite colour television signal by its video output terminals output enters luminance channel and the color channel in the television set simultaneously; When output voltage is a high level, when being the NTSC3.58 system, composite colour television signal enters television set from the luminance signal of luminance output end output behind bright, Y/C separating circuit luminance channel, from the signal of colourity output output still is composite colour television signal, rather than required carrier chrominance signal, this signal becomes required carrier chrominance signal and enters color channel in the television set behind the colour band bandpass filter.The output voltage of standard automatic identification circuit is controlled system conversion control end the 26th pin among the μ PC1423CA simultaneously, the field width of cloth compensation electronic switch relevant with hue adjust circuit when phase-adjusting circuit that the Phase Alternation Line system colour subcarrier vibrates in the former 83PG of the Sanyo movement and TSC-system.
The utlity model has following advantage:
1. increased the NTSC3.58 standard for Sanyo's 83PG movement.
2. the full-automatic identification and the conversion of standard have been realized.
3. when the NTSC3.58 standard, carry out bright, chrominance signal separation, thereby guaranteed the clean, clear of image, fundamentally improved image quality.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is a standard automatic identification circuit structure chart.
Fig. 2 is an oscillating crystal commutation circuit structure chart.
Fig. 3 is bright, chrominance signal split circuit structure chart.
Fig. 4 is the utility model logic diagram.
As shown in Figure 1, have the integrated circuit LA7950(12 of the automatic recognition function of standard), resistance R (13), R(15), R(16), R(20), R(22), R(38) and capacitor C (14), C(17), C(18), C(19), C(21), C(37) constitute the standard automatic identification circuit jointly.
Its annexation is as follows:
LA7950(12) the 1st pin and R(13) end links to each other, R(13) other end and C(14) end links to each other, C(14) other end links to each other with contact (11), LA7950(12) the 2nd pin and R(20) end links to each other and is connected to contact (10), LA7950(12) the 3rd pin and R(15) end links to each other, R(15) other end and C(17) end and C(18) end links to each other, LA7950(12) the 4th pin and C(37) end and R(38) end links to each other, C(37) other end ground connection, R(38) other end and C(21) end and R(22) end links to each other, C(21) other end and R(22) other end is connected to contact (1) simultaneously, LA7950(12) the 5th pin and R(16) end and C(17) other end links to each other, R(16) other end and C(18) other end and C(19) end links to each other, LA7950(12) the 6th pin ground connection, LA7950(12) the 7th pin and C(19) other end and R(20) other end links to each other and is connected to contact (2), the LA7950(12) the 8th, 9,10 pin are unsettled.Contact among the figure (1) is an input, the composite colour television signal of input behind video detection, and contact (11) inserts line flyback pulse, and contact (2) is an output, and contact (10) connects positive 12 volts of power supplys.This circuit adopts former LA7950(12 substantially) the recommendation peripheral circuit.
Its operation principle is:
Enter the input contact (1) of standard automatic identification circuit from the composite colour television signal behind the video detection, when input signal was Phase Alternation Line system or Sequential Color and Memory system, after identification, the output voltage of its output contact (2) was a low level; When input signal was the NTSC3.58 system, its output voltage was a high level.
As shown in Figure 2, resistance R (23), R(28), R(29), R(31), R(32), capacitor C (30), diode D(24), D(25) and oscillating crystal X(26), X(27) constituted the oscillating crystal commutation circuit.
Its annexation is as follows:
X(26) end and X(27) end links to each other and is connected to contact (6), X(26) other end and R(28) end and D(24) anode links to each other, X(27) other end and R(29) end and D(25) negative terminal links to each other, D(24) negative terminal and D(25) anode and R(23) end and C(30) end links to each other, R(23) other end is connected to contact (2), C(30) other end ground connection, R(28) other end and R(29) other end and R(31) end and R(32) end links to each other, R(31) other end ground connection, R(32) other end is connected to contact (10).Contact among the figure (2) is the output of standard automatic identification circuit, and contact (10) connects positive 12 volts of power supplys, and contact (6) is connected to carrier wave end the 20th pin among the μ PC1423CA, X(26) is the 4.43MHz oscillating crystal, X(27) is the 3.58MHz oscillating crystal.
Its operation principle is:
Because D(24) anode and D(25) negative terminal is connected to a positive voltage (voltage when this voltage is lower than the high level of contact (2)), when contact (2) is located voltage and is low level, D(24) conducting, D(25) end, C(30) enough big, frequency of oscillation is equivalent to short circuit, be equivalent to direct ground connection, so insert 4.43MHz oscillating crystal X(26 between the 20th pin of μ PC1423CA and the ground), making the frequency of oscillation in the color sub-carrier crystal oscillation loop is 4.43MHz; When contact (2) was located voltage and is high level, D(24) end, D(25) conducting inserted 3.58MHz oscillating crystal X(27 between the 20th pin of μ PC1423CA and the ground) to make the frequency of oscillation in the color sub-carrier crystal oscillation loop be 3.58MHz.
As shown in Figure 3, comb filter (finished product module) SIL-101(33), analog switch CC4053(36) and capacitor C (34), C(35) formed bright, chrominance signal split circuit.
Its annexation is as follows:
SIL-101(33) the 1st pin and CC4053(36) the 16th pin links to each other and is connected to contact (10), SIL-101(33) the 2nd pin and C(34) end links to each other, C(34) other end and CC4053(36) the 5th pin links to each other and is connected to contact (1), SIL-101(33) the 3rd pin and CC4053(36) the 1st pin links to each other, SIL-101(33) the 4th pin ground connection, SIL-101(33) the 5th pin and CC4053(36) the 3rd pin links to each other, CC4053(36) the 2nd pin is connected to contact (4), CC4053(36) the 4th pin and C(35) end links to each other, C(35) other end is connected to contact (3), CC4053(36) the 6th, 7,8 pin ground connection, CC4053(36) the 9th, 10 pin link to each other and are connected to contact (2), CC4053(36) the 11st, 12,13,14 pin ground connection, CC4053(36) the 15th pin is connected to contact (5).Contact among the figure (1) is an automatic system identifying circuit and bright, the input of Y/C separating circuit, the composite colour television signal of input after from video detection, contact (10) connects positive 12 volts of power supplys, contact (3) connects video inputs the 42nd pin among the μ PC1423CA, should remove the capacitor C in the former 83PG movement 202 this moment, contact (4) connects video output terminals the 43rd pin among the μ PC1423CA, contact (5) is connected to an end of capacitor C 251 in the original core, through capacitor C 251, C252, the colour band bandpass filter that inductance L 251 and resistance R 251 are formed, and chrominance amplifier input the 3rd pin by coupling capacitance C253 to μ PC1423CA, this moment should be with the disconnection of the tie point between capacitor C 251 and μ PC1423CA the 43rd pin in the former 83PG of the Sanyo movement; Contact (2) is the output of standard automatic identification circuit.
CC4053(36 wherein) the 9th, 10 pin in are control end, and when control end was low level, its 4th pin and the 5th pin were connected, simultaneously the 15th pin and the connection of the 2nd pin; When control end was high level, its 4th pin and the 3rd pin were connected, and the 15th pin and the 1st pin are connected simultaneously.
SIL-101(33 wherein) is functional module bright, that chrominance signal separates, when entering by its input the 2nd pin from the composite colour television signal behind the video detection, after separating, by the luminance signal after output the 5th pin output separation, by output the 3rd pin output composite colour television signal.
Its operation principle is:
Enter SIL-101(33 from the composite colour television signal behind the video detection through contact (1)) the 2nd pin and CC4053(36) the 5th pin, when contact (2) is a low level, promptly when Phase Alternation Line system or Sequential Color and Memory system, the CC4053(36 that links to each other with contact (2)) control end the 9th pin and the voltage of the 10th pin are low level, CC4053(36) the 4th pin in and the 5th pin, the 15th pin and the 2nd pin are connected respectively, composite colour television signal is by contact (1), CC4053(36) the 4th, 5 pin enter video inputs the 42nd pin of μ PC1423CA through contact (3), composite colour television signal is by video output terminals the 43rd pin output of μ PC1423, and this output signal is through contact (4), CC4053(36) the 2nd, 15 pin and contact (5) enter luminance channel and the color channel in the television set.Contact (2) is a high level, when being the NTSC3.58 system, CC4053(36) the 4th pin in and the 3rd pin, the 15th pin and the 1st pin are connected respectively, composite colour television signal is by SIL-101(33) input the 2nd pin input, from SIL-101(33) the luminance signal of the 5th pin output through CC4053(36) the 3rd, 4 pin, enter luminance channel by contact (3) to video inputs the 42nd pin of μ PC1423CA; From SIL-101(33) the signal of the 3rd pin output still be composite colour television signal, this signal is through CC4053(36) the 1st, 15 pin, and enter in the colour band bandpass filter in the original core by contact (5), enter color channel in the television set by the carrier chrominance signal behind the colour band bandpass filter.
Bright, chrominance signal split circuit among standard automatic identification circuit, the oscillating crystal commutation circuit among Fig. 2 and Fig. 3 among Fig. 4 in A, B, the C difference corresponding diagram 1.
Contact among the figure (1) is standard automatic identification circuit A and input bright, chrominance signal split circuit C, connects the composite colour television signal behind the video detection; Contact (2) is the output of automatic identification circuit A, simultaneously as oscillating crystal commutation circuit B and control end bright, chrominance signal split circuit C; Contact (3) connects video inputs the 42nd pin of μ PC1423CA; Contact (4) connects video output terminals the 43rd pin of μ PC1423CA; Contact (5) inserts color channel through capacitor C 251; Contact (6) connects μ PC1423CA the 20th pin; Contact (7) connects system conversion control end the 26th pin of μ PC1423CA; The resistance R 426 of contact (8) in original core connects the control end of phase-adjusting circuit electronic switch of the Phase Alternation Line system colour subcarrier vibration of television set, the i.e. base stage of electronic switch Q425 in the original core; Connect the width of cloth compensation of TSC-system field and hue adjust circuit electronic switch controling end, the i.e. base stage of electronic switch Q424 in the original core that (9) connect television set; Contact (7), (8), (9) link to each other with contact (2), and contact (10) connects positive 12 volts of power supplys; For the condition of work that satisfies standard automatic identification circuit A is introduced the line flyback pulse signal from pulse ends the 39th pin of contact (11) through μ PC1423CA.
Its operation principle is:
Composite colour television signal behind the video detection enters among standard automatic identification circuit A and bright, the chrominance signal split circuit C through contact (1), when this signal is Phase Alternation Line system or Sequential Color and Memory system, when the output voltage of output (2) is low level, this output voltage inserts between the 20th pin and ground of μ PC1423CA the oscillating crystal of 4.43MHz as the control voltage of oscillating crystal commutation circuit B, makes the colour subcarrier oscillation circuit produce the 4.43MHz vibration; Because contact (2) links to each other with contact (7), so the voltage of contact (7) also is low level, the voltage that is system conversion control end the 26th pin of μ PC1423CA is low level, thereby make μ PC1423CA work in the Phase Alternation Line system state, the colour decoding disabler of μ PC1423CA when signal is Sequential Color and Memory system, the same Phase Alternation Line system of other operating state.The output voltage of the output among the automatic identification circuit A (2) is also as control voltage bright, Y/C separating circuit C, when control voltage is low level, promptly when Phase Alternation Line system or Sequential Color and Memory system, composite colour television signal separates video inputs the 42nd pin that enters μ PC1423CA from contact (3) without bright, look, and video output terminals the 43rd pin by μ PC1423CA enters luminance channel and color channel in the TV through contact (4), (5); The Q425 conducting of the low level of contact (2) in contact (8) makes television set makes the phase-adjusting circuit work of Phase Alternation Line system colour subcarrier vibration; The low level of contact (2) makes the Q424 in the television set end through contact (9), thereby width of cloth compensation of TSC-system field and hue adjust circuit are not worked.
When if the composite colour television signal of input is the NTSC3.58 system, standard automatic identification circuit A output contact (2) output voltage is a high level, this output voltage inserts between the 20th pin and ground of μ PC1423CA the oscillating crystal of 3.58MHz as oscillating crystal commutation circuit B control voltage, makes the colour subcarrier oscillating circuit produce the 3.58MHz vibration; The voltage of contact (7) also is high level simultaneously, and promptly the voltage of the 26th pin of μ PC1423CA is high level, thereby makes μ PC1423CA be operated in NTSC3.58 system state; As control voltage bright, the chrominance signal split circuit also is high level, the luminance signal of composite colour television signal after light tone is separated entered video inputs the 42nd pin of μ PC1423CA by contact (3), and enter luminance channel by video output terminals the 43rd pin of μ PC1423CA, the composite colour television signal of bright color separating circuit output enters colour band bandpass filter in the television set by contact (5), carrier chrominance signal after the output of colour band bandpass filter enters the color channel in the television set, has promptly carried out bright, chrominance signal separation when NTSC3.58 makes; The high level of contact (2) makes the Q425 in the television set end through contact (8), thereby the phase-adjusting circuit of Phase Alternation Line system colour subcarrier vibration is not worked; The Q424 conducting of the high level of contact (2) in contact (9) makes television set, thus width of cloth compensation of TSC-system field and hue adjust circuit work made.
As from the foregoing, if on the former 83PG of Sanyo movement, use the utility model, can realize standard automatically identification and the PAL, the NTSC3.58 two standard movements (this movement is the movement that is unkitted the SECAM functional circuit) that switch, and when the NTSC3.58 standard, have the function of the separation of bright, chrominance signal; Or realize that standard is discerned automatically and the PAL of switching, SECAM, NTSC3.58 three standard movements, wherein the automatic identification of Phase Alternation Line system and Sequential Color and Memory system is to implement in the circuit of the Sequential Color and Memory system formula part in the former 83PG of Sanyo movement with switching, it is realized by integrated circuit AN5635, should remove the manual standard control switch SW731 in the former 83PG of the Sanyo movement this moment, and with bar connector KC the 5th pin ground connection, even AN5635 is in PAL, the automatic status recognition of Sequential Color and Memory system, it is to the same Phase Alternation Line system of the status recognition of NTSC3.58 system, and the automatic identification of Phase Alternation Line system and NTSC3.58 system is realized by the LA7950 in this device, thereby behind application the utility model, to become standard identification and the PAL that switches automatically, NTSC3.58, SECAM three standard movements, and when the NTSC3.58 standard, have bright, the function that chrominance signal separates.
When using the utility model on the former 83PG of Sanyo movement, its original manual system conversion switch SW 731, transistor Q423, resistance R 424, capacitor C 424, capacitor C 202 are all removed.Oscillating crystal X2B1 also removes on the former 83PG of the Sanyo movement, and its former contact is that μ PC1423CA the 20th pin links to each other with this device contact (6).Capacitor C 251 disconnects with μ PC1423CA the 43rd pin tie point in the former 83PG of the Sanyo movement.Bar connector KC the 5th pin ground connection in the former 83PG of the Sanyo movement.
Claims (1)
1, a kind of color television set standard is discerned conversion and bright signal separator automatically, it is by the standard automatic identification circuit, oscillating crystal commutation circuit and bright signal split circuit are formed, it is characterized in that: automatic recognition integrated circuit LA7950 (12) the 1st pin of standard links to each other with R (13) one ends, R (13) other end links to each other with C (14) one ends, C (14) other end links to each other with contact (11), LA7950 (12) the 2nd pin links to each other with R (20) one ends and is connected to contact (10), LA7950 (12) the 3rd pin links to each other with R (15) one ends, R (15) other end links to each other with C (17) one ends and C (18) one ends, LA7950 (12) the 4th pin links to each other with C (37) one ends and R (38) one ends, C (37) other end ground connection, R (38) other end links to each other with C (21) one ends and R (22) one ends, C (21) other end and R (22) other end are connected to contact (1) simultaneously, LA7950 (12) the 5th pin links to each other with R (16) one ends and C (17) other end, R (16) other end links to each other with C (18) other end and C (19) one ends, LA7950 (12) the 6th pin ground connection, LA7950 (12) the 7th pin links to each other with C (19) other end and R (20) other end and is connected to contact (2), LA7950 (12) the 8th, 9,10 pin are unsettled, X (26) one ends link to each other with X (27) one ends and are connected to contact (6), X (26) other end links to each other with R (28) one ends and D (24) anode, X (27) other end links to each other with R (29) one ends and D (25) negative terminal, D (24) negative terminal and D (25) anode link to each other with R (23) one ends and C (30) one ends, R (23) other end is connected to contact (2), C (30) other end ground connection, R (28) other end and R (29) other end link to each other with R (31) one ends and R (32) one ends, R (31) other end ground connection, R (32) other end is connected to contact (10), comb filter SIL-101 (33) the 1st pin links to each other with analog switch CC4053 (36) the 16th pin and is connected to contact (10), SIL-101 (33) the 2nd pin links to each other with C (34) one ends, C (34) other end links to each other with CC4053 (36) the 5th pin and is connected to contact (1), SIL-101 (33) the 3rd pin links to each other with CC4053 (36) the 1st pin, SIL-101 (33) the 4th pin ground connection, SIL-101 (33) the 5th pin links to each other with CC4053 (36) the 3rd pin, CC4053 (36) the 2nd pin is connected to contact (4), CC4053 (36) the 4th pin links to each other with C (35) one ends, C (35) other end is connected to contact (3), CC4053 (36) the 6th, 7,8 pin ground connection, CC4053 (36) the 9th, 10 pin link to each other and are connected to contact (2), CC4053 (36) the 11st, 12,13,14 pin ground connection, CC4053 (36) the 15th pin is connected to contact (5), contact (1) connects the composite colour television signal behind the video detection, contact (2) and contact (7), (8), (9) link to each other, contact (3) connects video inputs the 42nd pin of the μ PC1423CA among the 83PG of Sanyo, contact (4) connects video output terminals the 43rd pin of μ PC1423CA among the 83PG of Sanyo, the colour band bandpass filter of contact (5) in the 83PG of Sanyo inserts the color channel in the television set, contact (6) connects the 20th pin of the μ PC1423CA among the 83PG of Sanyo, contact (7) connects system conversion control end the 26th pin of the μ PC1423CA among the 83PG of Sanyo, the resistance R 426 of contact (8) in the 83PG of Sanyo movement connects the control end that Phase Alternation Line system colour subcarrier oscillation phase is adjusted electronic switch, it is the base stage of Q425, width of cloth compensation of TSC-system field and tone that contact (9) connects among the 83PG of Sanyo are adjusted electronic switch controling end, it is the base stage of Q424, contact (10) connects positive 12 volts of power supplys, and contact (11) connects the line flyback pulse signal of blanking pulse end the 39th pin of μ PCC1423CA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222882 CN2185492Y (en) | 1993-08-28 | 1993-08-28 | Apparatus for automatically identifying transfer systems and bright colour signal separation of colour TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222882 CN2185492Y (en) | 1993-08-28 | 1993-08-28 | Apparatus for automatically identifying transfer systems and bright colour signal separation of colour TV set |
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| Publication Number | Publication Date |
|---|---|
| CN2185492Y true CN2185492Y (en) | 1994-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93222882 Expired - Fee Related CN2185492Y (en) | 1993-08-28 | 1993-08-28 | Apparatus for automatically identifying transfer systems and bright colour signal separation of colour TV set |
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| CN (1) | CN2185492Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379280C (en) * | 2005-11-29 | 2008-04-02 | 天津三星电子显示器有限公司 | Method for automatically identifying received signal standard for analogue television signal receiver |
-
1993
- 1993-08-28 CN CN 93222882 patent/CN2185492Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379280C (en) * | 2005-11-29 | 2008-04-02 | 天津三星电子显示器有限公司 | Method for automatically identifying received signal standard for analogue television signal receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |