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United States Patent [19]
[11] Patent Number:
Toshida et al.
[45]
[54]
RECEIVER APPARATUS COIVIPRISING
DISPLAY MEANS FOR DISPLAYING SIGNAL
STRENGTHS 0F SIGNALS HAVING A
5,613,232
Date of Patent:
Mar. 18, 1997
3,890,574 6/1975 Nakano et a1. .................... .. 455/1542
4,476,579 10/1984 Ito et al. ............ ..
455/2264
5,268,712 12/1993 Hilpert et al. ..................... .. 455/1542
PLURALITY OF FREQUENCIES, AND
DISPLAY APPARATUS FOR USE IN
OTHER PUBLICATIONS
RECEIVER APPARATUS
“Thorough Technical Information, All About ICOM IC—780,
[75] Inventors: Youichi Toshida, Suita; Kazuko
Nakagawa, Nara; Toshihide Kuroda,
Takatsuki; Kazuyuki Nakayama,
Katano; Tornotsugu Taki, Osaka, all of
kfy ICOM Corporanon ’ HAM Journal NO‘ 54’ Mar‘ and Apr‘
988
“Wide Band Receiver, CCR708A, Service Manual”,
Mara-ml Japan Inc. 1993.
Japan
Primary Examiner—Reinhard J. Eisenzopf
Assistant Examiner_Nguyen v0
[73] Assignee: Alinco Incorporated, Osaka, Japan
Attorney, Agent, or Firm—McDern1ott, Will & Emery
[21] Appl. No; 208,841
[22] Filed:
[ 3 0]
F
Mar. 11, 1994
.
.
.
[571
.
.
ABSTRACT
A receiver apparatus includes a display apparatus for dis
orelgn A pp11 catIon Pno“ ty D ata
playing signal strengths of signals of a plurality of reception
Mar. 12, 1993
[JP]
Japan ............................. .. 5-010732 U
frequencies. In the receiver apparatus, a receiver circuit of
Mar. 12, 1993
[JP]
Japan
...... .. 5-051958
Apr. 21, 1993
Apr. 21, 1993
[JP]
[JP]
Japan
Japan
5-094273
5-094281
one system receives a high-frequency signal having a pre
determined reception frequency, and a detection storage
circuit detects and stores the signal strengths of the signals
26p‘ 13’ 1993
UP]
Japan
$226977
ep. 13, 1993
[JP]
Japan
.................................. .. 5-227013
having a plurality of reception frequencies received by the
.
.
.
.
.
.
receiver circuit by selectively switching over among the
[51]
Int. Cl.6 ................................................... .. H04B 17/00
reception frequencies of the receiver circuit according to a
[52]
US. Cl. ................ .. 455/226.4; 455/67.7; 455/ 154.2;
455/2262
Field of Search ................................ .. 455/73, 84, 39,
predetermined order of the switching. The display apparatus
has a plurality of display sections, and displays on the
plurality of display Sections the Signal strengths of the
455/77, 1541, 154.2, 1551, 1571, 1531,
1582, 1584, 1611, 1612, 1613, 2261,
signals having a plurality of reception frequencies stored in
the detection storage circuit according to the order of the
2262, 2263, 2264, 67_7
switching. Further, a demodulator circuit demodulates a
high-frequency signal having at least one reception fre
quency received by the receiver circuit.
[58]
[56]
References Cited
U.S. PATENT DOCUMENTS
2,972,108
2/1961 Stone ................................. .. 455/2264
14 Claims, 42 Drawing Sheets
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SW1
SW2
SW3
SW4
SW5
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VFO Mode/Memory Channel Mode Switch
Normal Mode/ Search Mode Switch
Receiving Enable MOdE/RECEWIHQ Disable Mode Switch
Normal Mode/Scan Search Mode Switch
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Sheet 6 of 42
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5,613,232
Mar. 18, 1997
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U.S. Patent
Mar. 18, 1997
Sheet 8 of 42
U.S. Patent
Mar. 18, 1997
Sheet 9 of 42
5,613,232
Fig. 9
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Start
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‘S2
Key Input Process
33
FS2=1?
NO
YES
S4
Memory Channel
Mode
Process
85
VFO Mode
Process
U.S. Patent
Mar. 18,1997
5,613,232
Sheet 10 0f 42
Fig. 10
32 Key input Process
Turnegd ON
522
S23
FS2*—O
S24
2
331
Fs2<-1
+
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Turned ON
?
S32
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333
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S61
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S62
S34
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%
864
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s65
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NO
YES
S63
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US. Patent
Mar. 18, 1997
Sheet 11 of 42
5,613,232
Fig. 7 7
S40
34‘
SW4
Turned ON
NO
NO
?
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S52
FuP<-1
Fs5s~1
S53
Rotated in CCW
Direction ?
855
The Other Key
input Process
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Fs4+—r
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U.S. Patent
Mar. 18, 1997
Sheet 12 0f 42
5,613,232
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Mar. 18, 1997
Sheet 13 of 42
5,613,232
Fig. 13
S13 Normal Process
8101
W‘l Turned ON .
S103
mew-0
S102
l
51 O4
Detect SLD
L
S105 Convert SLD into
7-Level Data
5106 Overwrite Converted Data
in Addresses 00,01 ,1 0,1 1,
“360,61 of VFlAM 40,3nd
Display Signal Levels on
Liquid Crystal pixels
LM00,LM01,---LM60,LM61
of LCD 61 in Horizontal
Direction
@
TRSW+-1
US. Patent
Mar. 18, 1997
Sheet 14 0f 42
5,613,232
Fig. 14
514 Search Receiving
Enable Process
S201 t
YES
5202
S203
TRSW+—O
l
5212
Detect SLD
:
S231
Df|_*—DfLO—Af
8232
Detect SLD
l
l
S213 Convert SLD into
4-Level Data
_
TRSW+—t
1
S214 Overwnte Converted Data
in Addresses OO—O3 of
VRAM
40,and Display
I
I
'
S233 Convert SLD into
4-Level Data
l
S234 Overwrite Converted Data
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in Addresses 2o—_23 of
LMO3 of LCD 61 in
vertical Direction
1
Signal Level on Liquid
‘(RAM “land D‘SP'aiY
Crystal pixels LM20—
LM23 of LCD 61 in
5221 Df1_*'DfLQ-'2Af
l
8222
Detect SLD
4
S223 Convert SLD into
4~Level Data
l
5224 Overwrite Converted Data
in Addresses 10-13 of
VRAM 40,and Display
Signal Level on Liquid
Crystal pixels LM10
LMtS of LCD 61 in
Vertical Direction
Vertical Direction
@
US. Patent
Mar. 18, 1997
Sheet 15 0f 42
5,613,232
Fig. 15
@
S240
ESQ*—O
'
Twps-Cl
S241
DfL<-Df LO
S242
Detect SLD
S243 Convert SLD into
4-Level Data
8244 Overwrite Converted Data
in Addresses 30-33 of
VRAM 40,and Display
Signal Level on Liquid
Crystal pixels LM30~
LM33 of LCD 61 in
Vertical Direction
S245
U.S. Patent
Mar. 18, 1997
Sheet 16 0f 42
5,613,232
Fig. 16
l
‘S250
ESQ._1
I
325* orLeofLO+Ai
l
5252
Detect SLD
S271 DfL‘—DfLO-l-'3Af
l
l
8253 Convert SLD into
4-Level Data
_
L
4
Detect SLD
‘
8273 Convert SLD into
8254 Overwrite Converted Data
in Addresses 40—43 of
V
S272
'
513:3‘ Le?zl’gingnD?gbaié
4-Leve| Data
I
.
S274 Overwnte Converted Data
Crystal pixels LM4O__
LM43 of LCD 61 in
in Addresses 60—f63 of
‘(RAM 403m D‘SP'aY
1
Crystal pixels LM60
vertical Direction
Signal Level on Liquid
LM63 of LCD 61 in
3261 DIfU-DfLO-l-ZM
l
l
8263 Convert SLD into
4-Level Data
l
8264 Overwrite Converted Data
in Addresses 50*53 of
VRAM 40,and Display
Signal Level on Liquid
Crystal pixels LM50—
LM53 of LCD 61 in
Vertical Direction
Vertical Direction
U.S. Patent
Mar. 18, 1997
Sheet 17 of 42
5,613,232
Fig. 17
S93 Dispiay Change
Process
cw
‘
S97
Direction
Display Change
-
cow
otanon
Direction of
-
S98
-
Direction
RE 31?
N
0
Change
S99
Display Change
Process in Higher
Process in Lower
Frequency Direction
i
Frequency Direction
I
U.S. Patent
Mar. 18, 1997
398/ F)Dispiay
Chgnghe
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rocess in
ig er
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S601
-
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CNThNumber of
Rotation Clicks of RE
31
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S604
Display Data DfCL on
Liquid Crystal Display
67
J
5605 Display Data Repiace
Process in Higher
Frequency Direction
L
3606
inform-ism
[
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S607
Detect SLD
8608
Convert SLD into
4-Levei Data
I
‘
L
5609 Overwrite Converted Data
in Addresses 60-63 of
VFiAM 40,and Display
Signal Level on Liquid
Crystai pixels LM60——
LM63 of LCD 61 in
Vertical Direction
8610
5,613,232
Sheet 18 of 42
i
YES
U.S. Patent
Mar. 18, 1997
599’
Display Change
\
Process in Lower
-
LFrequencyl Directiong,
8621
CNT<—Number of
Rotation Clicks of RE
31
4———--——
S622
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5623
l
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8624
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Liquid Crystal Display
67
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S625 Display Data Replace
Process in Lower
Frequency Direction
3626
l
wrong-3m
l
5627
Detect SLD
S628
Convert SLD into
4-Level Data
l
‘
1
S629 Overwrite Converted Data
in Addresses 00-03 of
VRAM 40,and Display
Signal Level on Liquid
Crystal pixels LM00—
LMOS of LCD 61 in
Vertical Direction
l
5630
5,613,232
Sheet 19 0f 42
CNT+—CNT——t
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