ClassID:

171901

G01R31/318588 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of electronic circuits, e.g. by signal tracer; Testing of digital circuits; Functional testing; Reconfiguring for testing, e.g. LSSD, partitioning using scanning techniques, e.g. LSSD, Boundary Scan, JTAG; Design for test Security aspects

Recent Application in this class:
#1
20260147041
2026-05-28

SECURE SCAN TESTING OF INTEGRATED CIRCUITS

#2
20260079205
2026-03-19

DEBUG SYSTEM AND METHOD FOR OPERATING A DEBUG SYSTEM

#3
20260063714
2026-03-05

Scan Test Security for Semiconductor Devices

#4
20250327860
2025-10-23

DEBUG INFRASTRUCTURE FOR MEMORY SYSTEMS

#5
20250264531
2025-08-21

Secure chip capable of generating secure data by itself

#6
20250004051
2025-01-02

PROTECTION OF THE CONTENT OF A FUSE MEMORY

#7
20240264231
2024-08-08

TECHNIQUES FOR INFIELD TESTING OF CRYPTOGRAPHIC CIRCUITRY

#8
20240241174
2024-07-18

Secured scan access for a device including a scan chain

#9
20240142521
2024-05-02

SCAN FLIP-FLOP, SCAN CHAIN CIRCUIT INCLUDING THE SAME, AND CONTROL METHOD OF THE SCAN FLIP-FLOP

#10
20240103078
2024-03-28

SECURED SCAN ACCESS FOR A DEVICE INCLUDING A SCAN CHAIN

#11
20240003973
2024-01-04

PROVIDING CONFIGURABLE SECURITY FOR INTELLECTUAL PROPERTY CIRCUITS OF A PROCESSOR

#12
20230228815
2023-07-20

Invisible scan architecture for secure testing of digital designs

#13
20220357394
2022-11-10

Reconfigurable JTAG architecture for implementation of programmable hardware security features in digital designs

#14
20220301649
2022-09-22

Protection of the content of a fuse memory

#15
20220244311
2022-08-04

Using embedded time-varying code generator to provide secure access to embedded content in an on-chip access architecture

#16
20210311113
2021-10-07

IC device authentication using energy characterization

#17
20210148977
2021-05-20

Side-channel signature based PCB authentication using JTAG architecture and a challenge-response mechanism

#18
20200271719
2020-08-27

IC device authentication using energy characterization

#19
20200225270
2020-07-16

Detection of pulse width tampering of signals

#20
20200025826
2020-01-23

Design-for-test for asynchronous circuit elements

#21
20190163909
2019-05-30

Secure device state apparatus and method and lifecycle management

#22
20190086472
2019-03-21

Using embedded time-varying code generator to provide secure access to embedded content in an on chip access architecture

#23
20190033366
2019-01-31

Design-for-test for asynchronous circuit elements

#24
20180292458
2018-10-11

JTAG lockout for embedded processors in programmable devices

#25
20180285483
2018-10-04

Device and method for detecting points of failures

#26
20180189493
2018-07-05

Secure device state apparatus and method and lifecycle management

#27
20170141930
2017-05-18

Test point-enhanced hardware security

#28
20170139008
2017-05-18

System on chip and secure debugging method

#29
20170131355
2017-05-11

Using embedded time-varying code generator to provide secure access to embedded content in an on chip access architecture

#30
20170115343
2017-04-27

Electronic system, system diagnostic circuit and operation method thereof

#31
20160245862
2016-08-25

Non-intrusive monitoring

#32
20160070933
2016-03-10

Protecting chip settings using secured scan chains

#33
20150349969
2015-12-03

Protecting hidden content in integrated circuits

#34
20150349968
2015-12-03

Protecting hidden content in integrated circuits

#35
20150242606
2015-08-27

Device having secure JTAG and debugging method for the same

#36
20150161408
2015-06-11

Protecting information processing system secrets from debug attacks

#37
20150086008
2015-03-26

Method for producing an electronic device with a disabled sensitive mode, and method for transforming such an electronic device to re-activate its sensitive mode

#38
20150026822
2015-01-22

Protection of proprietary embedded instruments

#39
20140108876
2014-04-17

Processor switchable between test and debug modes

#40
20130166977
2013-06-27

Secure low pin count scan

#41
20120317450
2012-12-13

Semiconductor device

#42
20120246528
2012-09-27

Circuit for securing scan chain data

#43
20120191403
2012-07-26

Protecting chip settings using secured scan chains

#44
20120060067
2012-03-08

APPARATUS AND METHOD OF AUTHENTICATING JOINT TEST ACTION GROUP (JTAG)

#45
20110083195
2011-04-07

Protection of proprietary embedded instruments

#46
20100153797
2010-06-17

Apparatus and method of authenticating joint test action group (JTAG)

#47
20080059107
2008-03-06

METHODS AND APPARATUS FOR TESTING AN IC USING A PLURALITY OF I/O LINES

#48
20060020864
2006-01-26

Method and system for blocking data in scan registers from being shifted out of a device

#49
20050172191
2005-08-04

Method and apparatus for transferring hidden signals in a boundary scan test interface

#50
20050172190
2005-08-04

Method and apparatus for accessing hidden data in a boundary scan test interface

#51
20050160336
2005-07-21

Semiconductor LSI circuit with scan circuit, scan circuit system, scanning test system and method

#52
20050149783
2005-07-07

Methods and apparatus for testing an IC

#53
16713413
2020-06-16

IC device authentication using energy characterization

#54
16275612
2020-03-10

IC device authentication using energy characterization

#55
15362413
2019-03-05

Securing access to integrated circuit scan mode and data