Camera, camera system and lens apparatus

52 Pages·2014·3 MB·English

US008723985B2
(12) United States Patent (10) Patent N0.: US 8,723,985 B2
Nakano (45) Date of Patent: *May 13, 2014
(54) CAMERA, CAMERA SYSTEM AND LENS (56) References Cited
APPARATUS
U.S. PATENT DOCUMENTS
(71) Applicant: Canon Kabushiki Kaisha, Tokyo (JP)
4,674,854 A 6/1987 Kawamura et 31.
6,175,692 B1 1/2001 Onoda et a1.
(72) Inventor: Shingo Nakano,Akishima (JP)
6,195,159 B1 2/2001 MacDonald et 211.
6,249,311 B1 6/2001 Rouse, Jr. et a1.
(73) Assignee: Canon Kabushiki Kaisha, Tokyo (JP) 6,392,702 B1 5/2002 Arai et 211.
6,941,068 B2 9/2005 Matsuda
(*) Notice: Subject to any disclaimer, the term of this 6,954,233 B1 10/2005 Ito
patent is extended or adjusted under 35 7,148,928 B2 12/2006 Minakuti et 211.
U.S.C. 154(b) by 0 days. 8,395,690 B2 * 3/2013 Nakano .................. .. 348/33302
(Continued)
This patent is subject to a terminal dis
claimer. FOREIGN PATENT DOCUMENTS
(21) Appl. No.: 13/762,732 CN 1450 398 A 10/2003
EP 1 351 086 10/2003
(22) Filed: Feb. 8,2013 (Continued)
(65) Prior Publication Data OTHER PUBLICATIONS
US 2013/0148001A1 Jun. 13,2013 Mar. 16, 2005 European Search Report in European Patent Applica
tion No. 04029552.
Related US. Application Data
(Continued)
(62) Division of application No. 12/956,329, ?led on Nov.
30, 2010, noW Pat. No. 8,395,690, Which is a division
Primary Examiner * Timothy J Henn
ofapplication No. 11/008,975, ?led on Dec. 13, 2004,
(74) Attorney, Agent, 0rFirm * Fitzpatrick, Cella, Harper &
now Pat. No. 7,872,684.
Scinto
(30) Foreign Application Priority Data
(57) ABSTRACT
Dec. 15, 2003 (JP) ............................... .. 2003-417349 A camera on Which a lens apparatus is mounted is disclosed.
The camera includes a controller Which performs a focusing
(51) Int. Cl.
control corresponding to the mounted lens apparatus; a dis
H04N 5/76 (2006.01) play unit Which performs display process corresponding to an
H04N 5/232 (2006.01)
output of the controller; and a storage section Which stores
(52) US. Cl. correction information for correcting a calculation result in
USPC ...................................... .. 348/231.6; 348/346 the focusing control by the controller, in association With the
(58) Field of Classi?cation Search mounted lens apparatus.
USPC ............. .. 348/231.99, 231.3, 231.6, 345, 346
See application ?le for complete search history. 15 Claims, 30 Drawing Sheets
3A16
312 I
.
LENS DRIVING APERTUE
UNIT DRIVING LINIT
311 LENS MPU
FIRST STORAGE LENS
SECTION IEMORV SsEECC'OI NI 0DN STORAGE
314 315 IINNDFIDVRINDAUTAILO N A
CORRECTION
S “MR/NT
303 lNulvmmIL
MOOUIR-RIEPNCETT NII E0NNT CMIORNRIFR/OENRCTMT A TI 0INO N 5
ENS
HDIVIDUAL
IIFOHMTIDN N
mono"
WI"
US 8,723,985 B2
Page 2
(56) References Cited JP 2000-292684 A 10/2000
JP 2001-174690 A 6/2001
U.S. PATENT DOCUMENTS JP 2002-14276 A 1/2002
JP 2003050990 A 2/2003
2002/0039489 A1 4/2002 Matsuda JP 2003-070720 A 3/2003
2002/0196472 A1 12/2002 Enomoto JP 2003-075136 A 3/2003
2003/0025802 A1 2/2003 Mayer, Jr. et al. JP 2003078794 A 3/2003
2003/0048374 A1 3/2003 Minakutietal. JP 2003461983 A 6/2003
2003/0189662 A1 10/2003 Matsuda JP 2003495047 A 10/2003
2004/0202464 A1 10/2004 Miyasaka etal. JP 2004435029 A 4/2004
JP 2004-138769 A 5/2004
FOREIGN PATENT DOCUMENTS
OTHER PUBLICATIONS
EP 1507157 A2 2/2005
JP 60.103331 A 6/1985 Patent Abstracts ofJapan, vol. 017, N0. 329 (P-156l), Jun. 22, 1993
JP 2154235 A 6/1990 (JP 5-40036, Feb. 19, 1993).
5; 55133332 2 $33; Patent Abstracts ofJapan, vol. 017, No.498 (P-l609), Sep. 8, 1993
JP 05_1'88423 A 7/1993 (JP 5-127243, May 25, 1993).
JP 07468084 A 7/1995 Patent Abstracts of Japan, vol. 2002, N0. 5, May 3, 2002 (JP 2002
JP 7-117677 B2 12/1995 1427611119 18, 2002)
JP 2000137275 A 5/2000
JP 2000-184257 A 6/2000 * cited by examiner
US. Patent May 13, 2014 Sheet 1 0f30 US 8,723,985 B2
FIG.1
US. Patent May 13, 2014 Sheet 2 0f30 US 8,723,985 B2
FIG.2
206
15
18 2
16 @ © 11 3
O 228
©.
mm a

US. Patent May 13, 2014 Sheet 5 0f30 US 8,723,985 B2
T START I
3101
LENS
DETECTED?
OBTAIN LENS ID -/$102
$103
CORRECTION
ALREADY
PERFORMED?
$108
START TIMER '\/8104 A
BLINK
IDENTIFICATION MARK
DISPLAY
IDENTIFICATION MARK "T’3105 8109
8106 NO
YES
TURN OFF
,\,s
IDENTIFICATION MARK 107
END
US. Patent May 13, 2014 Sheet 6 0f30 US 8,723,985 B2
F IG.7A
12a
25% +3 5
25% /\ AF CAL
US. Patent May 13, 2014 Sheet 7 0f30 US 8,723,985 B2
[ START | I?I(},E3
$201
CORRECTION
CONFIRMATION
BUTTON ON?
OBTAIN LENS ID '\/$ZOZ
8208
I
START TIMER '\15204 START TIMER
$209}
DISPLAY ,\,SZO5 BLINK
IDENTIFICATION MARK IDENTIFICATION MARK
$206 $210
NO
YES
TURN OFF
IDENTIFICATION MARK,»$207
END
US. Patent May 13, 2014 Sheet 8 0f30 US 8,723,985 B2
FIG,9 FOCUS DETECTION AREA
SELECTION SEQUENCE
$301
FOCUS DETECTION
OFF AREA SELECTION
ELECTRONIC
DIAL DETECTED?
MOVE SELECTED FOCUS
DETECTION SREA
CORRECTION
ALREADY PERFORMED?
$306
1 YES rs/aos
BLINK SUPERIMPOSED TURN ON SUPERIMPOSED
DISPLAY DISPLAY
$307
FOCUS DETECTION
AREA SELECTION